Erik Sjöqvist

Spin-lattice couplings in 3d ferromagnets: Analysis from first principles

Miranda, Ivan P.; Pankratova, Maryna; Weissenhofer, Markus; Klautau, A. B. et al.

Ingår i Physical Review Materials, 2025

• DOI för Spin-lattice couplings in 3d ferromagnets: Analysis from first principles
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Quantum Analog of Landau-Lifshitz-Gilbert Dynamics

Liu, Yuefei; Miranda, Ivan P.; Johnson, Lee; Bergman, Anders et al.

Ingår i Physical Review Letters, 2024

• DOI för Quantum Analog of Landau-Lifshitz-Gilbert Dynamics
• Ladda ner fulltext (pdf) av Quantum Analog of Landau-Lifshitz-Gilbert Dynamics

Chemical disorder effects on Gilbert damping of FeCo alloys

Lu, Zhiwei; Miranda, Ivan P.; Streib, Simon; Xu, Qichen et al.

Ingår i Physical Review B, 2024

• DOI för Chemical disorder effects on Gilbert damping of FeCo alloys
• Ladda ner fulltext (pdf) av Chemical disorder effects on Gilbert damping of FeCo alloys

Coupled spin-lattice dynamics from the tight-binding electronic structure

Cardias, Ramon; Streib, Simon; Lu, Zhiwei; Pereiro, Manuel et al.

Ingår i Physical Review B, 2024

• DOI för Coupled spin-lattice dynamics from the tight-binding electronic structure
• Ladda ner fulltext (pdf) av Coupled spin-lattice dynamics from the tight-binding electronic structure

Quantum spin systems: Toroidal classification and geometric duality

Azimi Mousolou, Vahid; Bergman, Anders; Delin, Anna; Eriksson, Olle et al.

Ingår i Physical Review B, 2024

• DOI för Quantum spin systems: Toroidal classification and geometric duality
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Spin-lattice couplings in 3d ferromagnets: Analysis from first principles

Miranda, Ivan P.; Pankratova, Maryna; Weissenhofer, Markus; Klautau, A. B. et al.

Ingår i Physical Review Materials, 2025

• DOI för Spin-lattice couplings in 3d ferromagnets: Analysis from first principles
• Ladda ner fulltext (pdf) av Spin-lattice couplings in 3d ferromagnets: Analysis from first principles

Quantum Analog of Landau-Lifshitz-Gilbert Dynamics

Liu, Yuefei; Miranda, Ivan P.; Johnson, Lee; Bergman, Anders et al.

Ingår i Physical Review Letters, 2024

• DOI för Quantum Analog of Landau-Lifshitz-Gilbert Dynamics
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Chemical disorder effects on Gilbert damping of FeCo alloys

Lu, Zhiwei; Miranda, Ivan P.; Streib, Simon; Xu, Qichen et al.

Ingår i Physical Review B, 2024

• DOI för Chemical disorder effects on Gilbert damping of FeCo alloys
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Coupled spin-lattice dynamics from the tight-binding electronic structure

Cardias, Ramon; Streib, Simon; Lu, Zhiwei; Pereiro, Manuel et al.

Ingår i Physical Review B, 2024

• DOI för Coupled spin-lattice dynamics from the tight-binding electronic structure
• Ladda ner fulltext (pdf) av Coupled spin-lattice dynamics from the tight-binding electronic structure

Quantum spin systems: Toroidal classification and geometric duality

Azimi Mousolou, Vahid; Bergman, Anders; Delin, Anna; Eriksson, Olle et al.

Ingår i Physical Review B, 2024

• DOI för Quantum spin systems: Toroidal classification and geometric duality
• Ladda ner fulltext (pdf) av Quantum spin systems: Toroidal classification and geometric duality

iSWAP-type geometric gates induced by paths on the Schmidt sphere

Saarijärvi, Max Johansson; Sjöqvist, Erik

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2024

• DOI för iSWAP-type geometric gates induced by paths on the Schmidt sphere
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Coupled atomistic spin-lattice simulations of ultrafast demagnetization in 3d ferromagnets

Pankratova, Maryna; Miranda, Ivan P.; Thonig, Danny; Pereiro, Manuel et al.

Ingår i Scientific Reports, 2024

• DOI för Coupled atomistic spin-lattice simulations of ultrafast demagnetization in 3d ferromagnets
• Ladda ner fulltext (pdf) av Coupled atomistic spin-lattice simulations of ultrafast demagnetization in 3d ferromagnets

Genuinely noncyclic geometric gates in two-pulse schemes

Eivarsson, Nils; Sjöqvist, Erik

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2023

• DOI för Genuinely noncyclic geometric gates in two-pulse schemes
• Ladda ner fulltext (pdf) av Genuinely noncyclic geometric gates in two-pulse schemes

Transmon probe for quantum characteristics of magnons in antiferromagnets

Azimi Mousolou, Vahid; Bergman, Anders; Delin, Anna; Eriksson, Olle et al.

Ingår i Physical Review B, 2023

• DOI för Transmon probe for quantum characteristics of magnons in antiferromagnets
• Ladda ner fulltext (pdf) av Transmon probe for quantum characteristics of magnons in antiferromagnets

Metaheuristic conditional neural network for harvesting skyrmionic metastable states

Xu, Qichen; Miranda, Ivan P.; Pereiro, Manuel; Rybakov, Filipp N. et al.

Ingår i Physical Review Research, 2023

• DOI för Metaheuristic conditional neural network for harvesting skyrmionic metastable states
• Ladda ner fulltext (pdf) av Metaheuristic conditional neural network for harvesting skyrmionic metastable states

Genetic-tunneling driven energy optimizer for spin systems

Xu, Qichen; Shen, Zhuanglin; Pereiro, Manuel; Sjöqvist, Erik et al.

Ingår i Communications Physics, 2023

• DOI för Genetic-tunneling driven energy optimizer for spin systems
• Ladda ner fulltext (pdf) av Genetic-tunneling driven energy optimizer for spin systems

Tunable phonon-driven magnon-magnon entanglement at room temperature

Liu, Yuefei; Bergman, Anders; Bagrov, Andrey; Delin, Anna et al.

Ingår i New Journal of Physics, 2023

• DOI för Tunable phonon-driven magnon-magnon entanglement at room temperature
• Ladda ner fulltext (pdf) av Tunable phonon-driven magnon-magnon entanglement at room temperature

Influence of nonlocal damping on magnon properties of ferromagnets

Lu, Zhiwei; Miranda, Ivan P.; Streib, Simon; Pereiro, Manuel et al.

Ingår i Physical Review B, 2023

• DOI för Influence of nonlocal damping on magnon properties of ferromagnets
• Ladda ner fulltext (pdf) av Influence of nonlocal damping on magnon properties of ferromagnets

Toward a measurement of the effective gauge field and the Born-Huang potential with atoms in chip traps

Gürkan, Nilhan; Sjöqvist, Erik; Hessmo, Björn; Grémaud, Benoit

Ingår i European Physical Journal D, 2022

• DOI för Toward a measurement of the effective gauge field and the Born-Huang potential with atoms in chip traps

Adiabatic spin dynamics and effective exchange interactions from constrained tight-binding electronic structure theory: Beyond the Heisenberg regime

Streib, Simon; Cardias, Ramon; Pereiro, Manuel; Bergman, Anders et al.

Ingår i Physical Review B, 2022

• DOI för Adiabatic spin dynamics and effective exchange interactions from constrained tight-binding electronic structure theory: Beyond the Heisenberg regime
• Ladda ner fulltext (pdf) av Adiabatic spin dynamics and effective exchange interactions from constrained tight-binding electronic structure theory: Beyond the Heisenberg regime

Transitionless quantum driving in spin echo

Gregefalk, Anton; Sjöqvist, Erik

Ingår i Physical Review Applied, 2022

• DOI för Transitionless quantum driving in spin echo
• Ladda ner fulltext (pdf) av Transitionless quantum driving in spin echo

Universal quantum computation and quantum error correction using discrete holonomies

Mommers, Cornelis; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2022

• DOI för Universal quantum computation and quantum error correction using discrete holonomies
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Heat-conserving three-temperature model for ultrafast demagnetization in nickel

Pankratova, Maryna; Miranda, Ivan P.; Thonig, Danny; Pereiro, Manuel et al.

Ingår i Physical Review B, 2022

• DOI för Heat-conserving three-temperature model for ultrafast demagnetization in nickel
• Ladda ner fulltext (pdf) av Heat-conserving three-temperature model for ultrafast demagnetization in nickel

Dark path holonomic qudit computation

André, Tomas; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2022

• DOI för Dark path holonomic qudit computation
• Ladda ner fulltext (pdf) av Dark path holonomic qudit computation

Entanglement duality in spin-spin interactions

Azimi Mousolou, Vahid; Bergman, Anders; Delin, Anna; Eriksson, Olle et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2022

• DOI för Entanglement duality in spin-spin interactions
• Ladda ner fulltext (pdf) av Entanglement duality in spin-spin interactions

Time-optimal holonomic quantum computation

Alves, Gabriel O.; Sjöqvist, Erik

Ingår i Physical review A : covering atomic, molecular, and optical physics and quantum information, 2022

• DOI för Time-optimal holonomic quantum computation
• Ladda ner fulltext (pdf) av Time-optimal holonomic quantum computation

High-order finite difference method for the Schrödinger equation on deforming domains

Ljungberg Rydin, Ylva; Mattsson, Ken; Werpers, Jonatan; Sjöqvist, Erik

Ingår i Journal of Computational Physics, 2021

• DOI för High-order finite difference method for the Schrödinger equation on deforming domains
• Ladda ner fulltext (pdf) av High-order finite difference method for the Schrödinger equation on deforming domains

Exchange constants for local spin Hamiltonians from tight-binding models

Streib, Simon; Szilva, Attila; Borisov, Vladislav; Pereiro, Manuel et al.

Ingår i Physical Review B, 2021

• DOI för Exchange constants for local spin Hamiltonians from tight-binding models
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Heisenberg and anisotropic exchange interactions in magnetic materials with correlated electronic structure and significant spin-orbit coupling

Borisov, Vladislav; Kvashnin, Yaroslav; Ntallis, Nikolaos; Thonig, Danny et al.

Ingår i Physical Review B, 2021

• DOI för Heisenberg and anisotropic exchange interactions in magnetic materials with correlated electronic structure and significant spin-orbit coupling
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Connection between magnetic interactions and the spin-wave gap of the insulating phase of NaOsO3

Ntallis, Nikolaos; Borisov, Vladislav; Kvashnin, Yaroslav; Thonig, Danny et al.

Ingår i Physical Review B, 2021

• DOI för Connection between magnetic interactions and the spin-wave gap of the insulating phase of NaOsO3
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Realizing nonadiabatic holonomic quantum computation beyond the three-level setting

Xu, Guofu; Zhao, Peizi; Sjöqvist, Erik; Tong, Dianmin

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2021

• DOI för Realizing nonadiabatic holonomic quantum computation beyond the three-level setting
• Ladda ner fulltext (pdf) av Realizing nonadiabatic holonomic quantum computation beyond the three-level setting

Majority gate for two-dimensional ferromagnets lacking inversion symmetry

Ntallis, Nikolaos; Bergman, Anders; Delin, Anna; Eriksson, Olle et al.

Ingår i Physical Review Research, 2021

• DOI för Majority gate for two-dimensional ferromagnets lacking inversion symmetry
• Ladda ner fulltext (pdf) av Majority gate for two-dimensional ferromagnets lacking inversion symmetry

Magnon-magnon entanglement and its quantification via a microwave cavity

Azimi Mousolou, Vahid; Liu, Yuefei; Bergman, Anders; Delin, Anna et al.

Ingår i Physical Review B, 2021

• DOI för Magnon-magnon entanglement and its quantification via a microwave cavity
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Parallelity of mixed quantum ensembles

Sjöqvist, Erik

Ingår i arXiv, 2020

• DOI för Parallelity of mixed quantum ensembles
• Ladda ner fulltext (pdf) av Parallelity of mixed quantum ensembles

Monopole Field Textures in Interacting Spin Systems

Eriksson, Anders; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2020

• DOI för Monopole Field Textures in Interacting Spin Systems

Geometry along Evolution of Mixed Quantum States

Sjöqvist, Erik

Ingår i Physical Review Research, 2020

• DOI för Geometry along Evolution of Mixed Quantum States
• Ladda ner fulltext (pdf) av Geometry along Evolution of Mixed Quantum States

Hierarchy of magnon mode entanglement in antiferromagnets

Azimi Mousolou, Vahid; Bagrov, Andrey; Bergman, Anders; Delin, Anna et al.

Ingår i Physical Review B Condensed Matter, 2020

• DOI för Hierarchy of magnon mode entanglement in antiferromagnets
• Ladda ner fulltext (pdf) av Hierarchy of magnon mode entanglement in antiferromagnets

Equation of motion and the constraining field in ab initio spin dynamics

Streib, Simon; Borisov, Vladislav; Pereiro, Manuel; Bergman, Anders et al.

Ingår i Physical Review B, 2020

• DOI för Equation of motion and the constraining field in ab initio spin dynamics
• Ladda ner fulltext (pdf) av Equation of motion and the constraining field in ab initio spin dynamics

Environment-assisted holonomic quantum maps

Ramberg, Nicklas; Sjöqvist, Erik

Ingår i Physical Review Letters, 2019

• DOI för Environment-assisted holonomic quantum maps

Entangling power of holonomic gates in atom-based systems

Azimi Mousolou, Vahid; Sjöqvist, Erik

Ingår i Journal of Physics A, 2018

• DOI för Entangling power of holonomic gates in atom-based systems

Path-shortening realizations of nonadiabatic holonomic gates

Xu, Guofu; Tong, Dianmin; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2018

• DOI för Path-shortening realizations of nonadiabatic holonomic gates

The role of quantum coherence in dimer and trimer excitation energy transfer

Bengtson, Charlotta; Sjöqvist, Erik

Ingår i New Journal of Physics, 2017

• DOI för The role of quantum coherence in dimer and trimer excitation energy transfer
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Robust paths to realize nonadiabatic holonomic gates

Xu, Guofu; Zhao, P.Z.; Tong, Dianmin; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2017

• DOI för Robust paths to realize nonadiabatic holonomic gates

Rydberg-atom-based scheme of nonadiabatic geometric quantum computation

Zhao, P.Z.; Cui, Xiao-Dan; Xu, Guofu; Sjöqvist, Erik et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2017

• DOI för Rydberg-atom-based scheme of nonadiabatic geometric quantum computation
• Ladda ner fulltext (pdf) av Rydberg-atom-based scheme of nonadiabatic geometric quantum computation

Proposed neutron interferometry test of Berry's phase for a circulating planar spin

Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2017

• DOI för Proposed neutron interferometry test of Berry's phase for a circulating planar spin
• Ladda ner fulltext (pdf) av Proposed neutron interferometry test of Berry's phase for a circulating planar spin

Single-shot realization of nonadiabatic holonomic quantum gates in decoherence-free subspaces

Zhao, P.Z.; Xu, Guofu; Ding, Q.M.; Sjöqvist, Erik et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2017

• DOI för Single-shot realization of nonadiabatic holonomic quantum gates in decoherence-free subspaces

Composite nonadiabatic holonomic quantum computation

Xu, Guofu; Zhao, P.Z.; Xing, T.H.; Sjöqvist, Erik et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2017

• DOI för Composite nonadiabatic holonomic quantum computation

Quantum nonlocality in the excitation energy transfer in the Fenna-Matthews-Olson complex

Bengtson, Charlotta; Stenrup, Michael; Sjöqvist, Erik

Ingår i International Journal of Quantum Chemistry, s. 1763-1771, 2016

• DOI för Quantum nonlocality in the excitation energy transfer in the Fenna-Matthews-Olson complex

Conceptual aspects of geometric quantum computation

Sjöqvist, Erik; Azimi Mousolou, Vahid; Canali, Carlo M.

Ingår i Quantum Information Processing, s. 3995-4011, 2016

• DOI för Conceptual aspects of geometric quantum computation

Geometric phases for mixed states of the Kitaev chain

Andersson, Ole; Bengtsson, Ingemar; Ericsson, Marie; Sjöqvist, Erik

Ingår i Philosophical Transactions. Series A, 2016

• DOI för Geometric phases for mixed states of the Kitaev chain

Nonadiabatic holonomic single-qubit gates in off-resonant Λ systems

Sjöqvist, Erik

Ingår i Physics Letters A, s. 65-67, 2016

• DOI för Nonadiabatic holonomic single-qubit gates in off-resonant Λ systems

Single-loop multiple-pulse nonadiabatic holonomic quantum gates

Herterich, Emmi; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2016

• DOI för Single-loop multiple-pulse nonadiabatic holonomic quantum gates

Spin-electric Berry phase shift in triangular molecular magnets

Azimi Mousolou, Vahid; Canali, Carlo M.; Sjöqvist, Erik

Ingår i Physical Review B. Condensed Matter and Materials Physics, 2016

• DOI för Spin-electric Berry phase shift in triangular molecular magnets

Fast non-Abelian geometric gates via transitionless quantum driving

Zhang, Jiang; Kyaw, Thi Ha; Tong, Dianmin; Sjöqvist, Erik et al.

Ingår i Scientific Reports, 2015

• DOI för Fast non-Abelian geometric gates via transitionless quantum driving
• Ladda ner fulltext (pdf) av Fast non-Abelian geometric gates via transitionless quantum driving

Realization of a holonomic quantum computer in a chain of three-level systems

Gürkan, Nilhan; Sjöqvist, Erik

Ingår i Physics Letters A, s. 3050-3053, 2015

• DOI för Realization of a holonomic quantum computer in a chain of three-level systems

Realization of adiabatic Aharonov–Bohm scattering with neutrons

Sjöqvist, Erik; Almquist, Martin; Mattsson, Ken; Gürkan, Zeynep Nilhan et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2015

• DOI för Realization of adiabatic Aharonov–Bohm scattering with neutrons

Universal Non-adiabatic Holonomic Gates in Quantum Dots and Single-Molecule Magnets

Azimi Mousolou, Vahid; Canali, Carlo M.; Sjöqvist, Erik

Ingår i New Journal of Physics, 2014

• DOI för Universal Non-adiabatic Holonomic Gates in Quantum Dots and Single-Molecule Magnets
• Ladda ner fulltext (pdf) av Universal Non-adiabatic Holonomic Gates in Quantum Dots and Single-Molecule Magnets

Quantum computation in noiseless subsystems with fast non-Abelian holonomies

Zhang, Jiang; Kwek, Leong Chuang; Sjöqvist, Erik; Tong, Dianmin et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2014

• DOI för Quantum computation in noiseless subsystems with fast non-Abelian holonomies

Classification scheme of pure multipartite states based on topological phases

Johansson, Markus; Ericsson, Marie; Sjöqvist, Erik; Osterloh, Andreas

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2014

• DOI för Classification scheme of pure multipartite states based on topological phases

Non-Abelian geometric phases in a system of coupled quantum bits

Azimi Mousolou, Vahid; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2014

• DOI för Non-Abelian geometric phases in a system of coupled quantum bits

Comment on `Detecting non-Abelian geometric phases with three-level Λ systems'

Ericsson, Marie; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2013

• DOI för Comment on `Detecting non-Abelian geometric phases with three-level Λ systems'

Validity of the rotating-wave approximation in nonadiabatic holonomic quantum computation

Spiegelberg, Jakob; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2013

• DOI för Validity of the rotating-wave approximation in nonadiabatic holonomic quantum computation

Unifying Geometric Entanglement and Geometric Phase in a Quantum Phase Transition

Azimi Mousolou, Vahid; Canali, Carlo M.; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2013

• DOI för Unifying Geometric Entanglement and Geometric Phase in a Quantum Phase Transition

Three-qubit topological phase on entangled photon pairs

Johansson, Markus; Khoury, Antonio; Singh, Kuldip; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2013

• DOI för Three-qubit topological phase on entangled photon pairs

Non-Abelian off-diagonal geometric phases in nano-engineered four-qubit systems

Azimi Mousolou, Vahid; Canali, Carlo M.; Sjöqvist, Erik

Ingår i Europhysics letters, s. 60011, 2013

• DOI för Non-Abelian off-diagonal geometric phases in nano-engineered four-qubit systems

Non-Adiabatic Holonomic Quantum Computation

Sjöqvist, Erik; Tong, Dianmin; Andersson, Mauritz; Hessmo, Björn et al.

Ingår i New Journal of Physics, 2012

• DOI för Non-Adiabatic Holonomic Quantum Computation
• Ladda ner fulltext (pdf) av Non-Adiabatic Holonomic Quantum Computation

Relative state measures of correlations in bipartite quantum systems

Rudolfsson, Pierre; Sjöqvist, Erik

Ingår i Quantum information & computation, s. 119-137, 2012

Non-adiabatic holonomic quantum computation in decoherence-free subspaces

Xu, G.F.; Zhang, J.; Tong, Dianmin; Sjöqvist, Erik et al.

Ingår i Physical Review Letters, 2012

• DOI för Non-adiabatic holonomic quantum computation in decoherence-free subspaces

Robustness of nonadiabatic holonomic gates

Johansson, Markus; Sjöqvist, Erik; Andersson, Mauritz; Ericsson, Marie et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2012

• DOI för Robustness of nonadiabatic holonomic gates

Topological phases and multiqubit entanglement

Johansson, Markus; Ericsson, Marie; Singh, Kuldip; Sjöqvist, Erik et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2012

• DOI för Topological phases and multiqubit entanglement

Correlation-induced non-Abelian quantum holonomies

Johansson, Markus; Ericsson, Marie; Singh, Kuldip; Sjöqvist, Erik et al.

Ingår i Journal of Physics A, s. 145301, 2011

• DOI för Correlation-induced non-Abelian quantum holonomies

Geometric local invariants and pure three-qubit states

Williamson, Mark S.; Ericsson, Marie; Johansson, Markus; Sjöqvist, Erik et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2011

• DOI för Geometric local invariants and pure three-qubit states

Non-Abelian quantum holonomy of hydrogen-like atoms

Azimi Mousolou, Vahid; Canali, Carlo M.; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2011

• DOI för Non-Abelian quantum holonomy of hydrogen-like atoms

Global asymmetry of many-qubit correlations: A lattice-gauge-theory approach

Williamson, Mark S.; Ericsson, Marie; Johansson, Markus; Sjöqvist, Erik et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2011

• DOI för Global asymmetry of many-qubit correlations: A lattice-gauge-theory approach

Open system effects on slow light and electromagnetically induced transparency

Tidström, Jonas; Ericsson, Marie; Sjöqvist, Erik; Andersson, Mauritz

Ingår i Journal of Physics B, s. 135501, 2011

• DOI för Open system effects on slow light and electromagnetically induced transparency

Spin-orbit-coupled Bose-Einstein condensate in a tilted optical lattice

Larson, Jonas; Martikainen, Jani-Petri; Collin, Anssi; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2010

• DOI för Spin-orbit-coupled Bose-Einstein condensate in a tilted optical lattice

Hidden parameters in open-system evolution unveiled by geometric phase

Pawlus, Patrik; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2010

• DOI för Hidden parameters in open-system evolution unveiled by geometric phase

Berry phase and fidelity susceptibility of the three-qubit Lipkin–Meshkov–Glick ground state

Sjöqvist, Erik; Rahaman, Ramij; Basu, Urna; Basu, Banasri

Ingår i Journal of Physics A, s. 354026, 2010

• DOI för Berry phase and fidelity susceptibility of the three-qubit Lipkin–Meshkov–Glick ground state

Entanglement-induced geometric phase of quantum states

Sjöqvist, Erik

Ingår i Physics Letters A, s. 1431-1433, 2010

• DOI för Entanglement-induced geometric phase of quantum states

Experimentally testable geometric phase of sequences of Everett's relative quantum states

Sjöqvist, Erik

Ingår i Europhysics letters, s. 30005, 2009

• DOI för Experimentally testable geometric phase of sequences of Everett's relative quantum states

Jahn-Teller-induced Berry phase in spin-orbit-coupled Bose-Einstein condensates

Larson, Jonas; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2009

• DOI för Jahn-Teller-induced Berry phase in spin-orbit-coupled Bose-Einstein condensates

Holonomy for quantum channels

Kult, David; Åberg, Johan; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2008

• DOI för Holonomy for quantum channels

Nodal free geometric phases: concept and application to geometric quantum computation

Ericsson, Marie; Kult, David; Sjöqvist, Erik; Åberg, Johan

Ingår i Physics Letters A, s. 596-599, 2008

• DOI för Nodal free geometric phases: concept and application to geometric quantum computation

Non-Abelian generalization of off-diagonal geometric phases

Kult, David; Åberg, Johan; Sjöqvist, Erik

Ingår i Europhysics letters, s. 60004, 2007

• DOI för Non-Abelian generalization of off-diagonal geometric phases

Operational approach to the Uhlmann holonomy

Åberg, Johan; Kult, David; Sjöqvist, Erik; Oi, Daniel K.L.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2007

• DOI för Operational approach to the Uhlmann holonomy

Weak cloning of an unknown quantum state

Sjöqvist, Erik; Åberg, Johan

Ingår i Physics Letters A, s. 396-398, 2006

• DOI för Weak cloning of an unknown quantum state

Manifestations of quantum holonomy in interferometry

Sjöqvist, Erik; Kult, David; Åberg, Johan

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2006

• DOI för Manifestations of quantum holonomy in interferometry

Noncyclic geometric changes of quantum states

Kult, David; Åberg, Johan; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2006

• DOI för Noncyclic geometric changes of quantum states

Geometric phase in weak measurements

Sjöqvist, Erik

Ingår i Physics Letters A, s. 187-189, 2006

• DOI för Geometric phase in weak measurements

Adiabatic approximation for weakly open systems

Thunström, Patrik; Åberg, Johan; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Adiabatic approximation for weakly open systems

Quantum adiabatic search with decoherence in the instantaneous energy eigenbasis

Åberg, Johan; Kult, David; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Quantum adiabatic search with decoherence in the instantaneous energy eigenbasis

Robustness of the adiabatic quantum search

Åberg, Johan; Kult, David; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Robustness of the adiabatic quantum search

Searching for degeneracies of real Hamiltonians using homotopy classification of loops in SO(n)

Johansson, Niklas; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Searching for degeneracies of real Hamiltonians using homotopy classification of loops in SO(n)

Adiabatic geometric phases in hydrogenlike atoms

Sjöqvist, Erik; Yi, X X; Åberg, Johan

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Adiabatic geometric phases in hydrogenlike atoms

Off-diagonal quantum holonomy along density operators

Filipp, Stefan; Sjöqvist, Erik

Ingår i Physics Letters A, s. 205-212, 2005

• DOI för Off-diagonal quantum holonomy along density operators

Kinematic approach to off-diagonal geometric phases of nondegenerate and degenerate mixed states

Tong, D.M.; Sjöqvist, Erik; Filipp, Stefan; Kwek, L.C. et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Kinematic approach to off-diagonal geometric phases of nondegenerate and degenerate mixed states

Mixed-state non-Abelian holonomy for subsystems

Nordling, Mikael; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2005

• DOI för Mixed-state non-Abelian holonomy for subsystems

Kinematic approach to mixed state geometric phase in nonunitary evolution

Tong, D.M.; Sjöqvist, Erik; Kwek, L.C.; Oh, C. H.

Ingår i Physical Review Letters, 2004

• DOI för Kinematic approach to mixed state geometric phase in nonunitary evolution

On the alleged nonlocal and topological nature of the molecular Aharonov-Bohm effect

Sjöqvist, Erik

Ingår i Advances in Quantum Chemistry, s. 239-252, 2004

• DOI för On the alleged nonlocal and topological nature of the molecular Aharonov-Bohm effect

Quantal interferometry with dissipative internal motion

Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2004

• DOI för Quantal interferometry with dissipative internal motion

Effect of intersubsystem coupling on the geometric phase in a bipartite system

Yi, X.X.; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2004

• DOI för Effect of intersubsystem coupling on the geometric phase in a bipartite system

Comment on `Geometric phases for mixed states during cyclic evolutions'

Sjöqvist, Erik

Ingår i Journal of Physics A, s. 7393-7394, 2004

• DOI för Comment on `Geometric phases for mixed states during cyclic evolutions'

Optimal topological test for degeneracies of real Hamiltonians

Johansson, Niklas; Sjöqvist, Erik

Ingår i Physical Review Letters, 2004

• DOI för Optimal topological test for degeneracies of real Hamiltonians

Geometry of decomposition dependent evolutions of mixed states

Kult, David; Sjöqvist, Erik

Ingår i International Journal of Quantum Information, s. 247-256, 2004

• DOI för Geometry of decomposition dependent evolutions of mixed states

Off-diagonal generalization of the mixed-state geometric phase

Filipp, Stefan; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2003

• DOI för Off-diagonal generalization of the mixed-state geometric phase

Measuring Pancharatnam's relative phase for SO(3) evolutions using spin polarimetry

Larsson, Peter; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2003

• DOI för Measuring Pancharatnam's relative phase for SO(3) evolutions using spin polarimetry

Precession and interference in the Aharonov-Casher and scalar Aharonov-Bohm effect

Hyllus, Philipp; Sjöqvist, Erik

Ingår i Foundations of physics, s. 1085-1105, 2003

• DOI för Precession and interference in the Aharonov-Casher and scalar Aharonov-Bohm effect

Generalization of the geometric phase to completely positive maps

Ericsson, Marie; Sjöqvist, Erik; Brännlund, Johan; Oi, Daniel K.L. et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2003

• DOI för Generalization of the geometric phase to completely positive maps

Off-diagonal geometric phases for mixed states

Filipp, Stefan; Sjöqvist, Erik

Ingår i Physical Review Letters, 2003

• DOI för Off-diagonal geometric phases for mixed states

Mixed state geometric phases, entangled systems, and local unitary transformations

Ericsson, Marie; Pati, Arun K.; Sjöqvist, Erik; Brännlund, Johan et al.

Ingår i Physical Review Letters, 2003

• DOI för Mixed state geometric phases, entangled systems, and local unitary transformations

Noncyclic geometric quantum computation

Friedenauer, Axel; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2003

• DOI för Noncyclic geometric quantum computation

Uhlmann's geometric phase in presence of isotropic decoherence

Tidström, Jonas; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2003

• DOI för Uhlmann's geometric phase in presence of isotropic decoherence

Reply to Comment on `Locality and topology in the molecular Aharonov-Bohm effect'

Sjöqvist, Erik

Ingår i Physical Review Letters, 2003

• DOI för Reply to Comment on `Locality and topology in the molecular Aharonov-Bohm effect'

Noncyclic mixed state phase in SU(2) polarimetry

Larsson, Peter; Sjöqvist, Erik

Ingår i Physics Letters A, s. 12-15, 2003

• DOI för Noncyclic mixed state phase in SU(2) polarimetry

Relation between geometric phases of entangled bi-partitesystems and their subsystems

Tong, D.M.; Sjöqvist, Erik; Kwek, L.C.; Oh, C.H. et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2003

• DOI för Relation between geometric phases of entangled bi-partitesystems and their subsystems

Reply to Comment on `Geometric phases for mixed states in interferometry'

Anandan, Jeeva S.; Sjöqvist, Erik; Pati, Arun K.; Ekert, Artur et al.

Ingår i Physical Review Letters, s. 268902, 2002

• DOI för Reply to Comment on `Geometric phases for mixed states in interferometry'

Quantum computation using the Aharonov-Casher set up

Ericsson, Marie; Sjöqvist, Erik

Ingår i Physics Letters A, s. 7-10, 2002

• DOI för Quantum computation using the Aharonov-Casher set up

Towards a quantum Hall effect for atoms using electric fields

Ericsson, Marie; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2002

• DOI för Towards a quantum Hall effect for atoms using electric fields

Comment on `Complementarity between Local and Nonlocal Topological Effects'

Hyllus, Philipp; Sjöqvist, Erik

Ingår i Physical Review Letters, s. 198901, 2002

• DOI för Comment on `Complementarity between Local and Nonlocal Topological Effects'

Locality and topology in the molecular Aharonov-Bohm effect

Sjöqvist, Erik

Ingår i Physical Review Letters, s. 210401, 2002

• DOI för Locality and topology in the molecular Aharonov-Bohm effect

Proposed interferometry test of noncyclic geometric phase

Sjöqvist, Erik

Ingår i Physics Letters A, s. 4-6, 2001

• DOI för Proposed interferometry test of noncyclic geometric phase

Quantal phase in split-beam interferometry

Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2001

• DOI för Quantal phase in split-beam interferometry

Quantal phase for nonmaximally entangled photons

Hessmo, Björn; Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2000

• DOI för Quantal phase for nonmaximally entangled photons

Geometric phases for mixed states in interferometry

Sjöqvist, Erik; Pati, Arun K; Ekert, Artur; Anandan, Jeeva S. et al.

Ingår i Physical Review Letters, s. 2845-2849, 2000

• DOI för Geometric phases for mixed states in interferometry

Degree of electron-nuclear entanglement in molecular states

Sjöqvist, Erik

Ingår i International Journal of Quantum Chemistry, s. 526-533, 2000

• DOI för Degree of electron-nuclear entanglement in molecular states

Anandan–Aharonov–Casher oscillations in a simply connected region

Sjöqvist, Erik

Ingår i Physics Letters A, s. 10-13, 2000

• DOI för Anandan–Aharonov–Casher oscillations in a simply connected region

Geometric phase for entangled spin pairs

Sjöqvist, Erik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2000

• DOI för Geometric phase for entangled spin pairs

Remarks on identical particles in de Broglie-Bohm theory

Brown, Harvey R.; Sjöqvist, Erik; Bacciagaluppi, Guido

Ingår i Physics Letters A, s. 229-235, 1999

• DOI för Remarks on identical particles in de Broglie-Bohm theory

Mobile flux line in an Aharonov-Bohm system

Sjöqvist, Erik; Ericsson, Marie

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, s. 1850-1853, 1999

• DOI för Mobile flux line in an Aharonov-Bohm system

Quantal trajectories for adiabatic and nonadiabatic regimes of vibronic systems

Carlsen, Henrik; Sjöqvist, Erik; Goscinski, Osvaldo

Ingår i International Journal of Quantum Chemistry, s. 409-416, 1999

• DOI för Quantal trajectories for adiabatic and nonadiabatic regimes of vibronic systems

Extending the quantal adiabatic theorem: Geometry of noncyclic motion

Garcia de Polavieja, Gonzalo; Sjöqvist, Erik

Ingår i American Journal of Physics, s. 431-438, 1998

• DOI för Extending the quantal adiabatic theorem: Geometry of noncyclic motion

Analysis of electron transport in a two-dimensional structure using quantal trajectories

Lundberg, Tomas; Sjöqvist, Erik; Berggren, Karl-Fredrik

Ingår i Journal of Physics, s. 5583-5594, 1998

• DOI för Analysis of electron transport in a two-dimensional structure using quantal trajectories

Berry's phase in pilot-wave theory

Sjöqvist, Erik; Carlsen, Henrik

Ingår i Foundations of physics letters, s. 179-188, 1998

• DOI för Berry's phase in pilot-wave theory

A quantum mechanical angle anholonomy

Sjöqvist, Erik

Ingår i Physics Letters A, s. 14-16, 1997

• DOI för A quantum mechanical angle anholonomy

Noncyclic geometric phase, coherent states, and the time-dependent variational principle: Application to coupled electron-nuclear dynamics

Sjöqvist, Erik; Hedström, Magnus

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, s. 3417-3424, 1997

• DOI för Noncyclic geometric phase, coherent states, and the time-dependent variational principle: Application to coupled electron-nuclear dynamics

Galilean noninvariance of geometric phase

Sjöqvist, Erik; Brown, Harvey R.; Carlsen, Henrik

Ingår i Physics Letters A, s. 273-278, 1997

• DOI för Galilean noninvariance of geometric phase

Geometric phase, quantum measurements, and the de Broglie-Bohm model

Sjöqvist, Erik; Carlsen, Henrik

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, s. 1638-1641, 1997

• DOI för Geometric phase, quantum measurements, and the de Broglie-Bohm model

Fractional statistics in Bohm's theory

Sjöqvist, Erik; Carlsen, Henrik

Ingår i Physics Letters A, s. 160-166, 1995

• DOI för Fractional statistics in Bohm's theory

The molecular Aharonov-Bohm effect for bound states beyond the adiabatic approximation

Sjöqvist, Erik; Goscinski, Osvaldo

Ingår i Chemical Physics, s. 17-26, 1994

• DOI för The molecular Aharonov-Bohm effect for bound states beyond the adiabatic approximation

Geometric and holonomic quantum computation

Zhang, Jiang; Kyaw, Thi Ha; Filipp, Stefan; Kwek, Leong Chuan et al.

Ingår i Physics reports, s. 1-53, 2023

• DOI för Geometric and holonomic quantum computation

Geometric phases in quantum information

Sjöqvist, Erik

Ingår i International Journal of Quantum Chemistry, s. 1311-1326, 2015

• DOI för Geometric phases in quantum information

A new phase in quantum computation

Sjöqvist, Erik

Ingår i Physics, 2008

• DOI för A new phase in quantum computation

Conical Intersections in Physics: An Introduction to Synthetic Gauge Theories

Larson, Jonas; Sjöqvist, Erik; Öhberg, Patrik

Springer, 2020

Kvantdatorer - beräkningsmaskiner i landet annorlunda

Sjöqvist, Erik

Ingår i Annales Academiae Regiae Scientarium Upsaliensis, s. 69-75, Kungl. Vetenskapssamhällets i Uppsala, 2017

On geometric phases for quantum trajectories

Sjöqvist, Erik

s. 195-201, 2006

• DOI för On geometric phases for quantum trajectories

Off-diagonal mixed state phases in unitary evolution

Sjöqvist, Erik; Filipp, Stefan

Ingår i Foundations of probability and physics - 2, s. 545-555, 2003

Pancharatnam revisited

Sjöqvist, Erik

Ingår i Quantum Theory, s. 343, 2002

Degree of electron-nuclear entanglement in the E x e Jahn-Teller system

Ericsson, Marie; Sjöqvist, Erik; Goscinski, Osvaldo

Ingår i Proceedings of the XIV International Symposium on Electron-Phonon Dynamics and Jahn-Teller Effect, s. 20, 1999

Geometric phase-shifts in pilot-wave theory

Sjöqvist, Erik

Ingår i Daniel M. Greenberger and Anton Zeilinger, s. 898-899, 1995

Geometric phase of very slow neutrons

Sjöqvist, Erik

2020

Bifurcation in Quantum Measurement

Eriksson, Karl-Erik; Cederwall, Martin; Lindgren, Kristian; Sjöqvist, Erik

2017

Har vi redan skapat kvantdatorn?

Ericsson, Marie; Sjöqvist, Erik

2015

Dlaczego kot Schrödingera laduje na czterech lapach

Ericsson, Marie; Sjöqvist, Erik

2001

Book review of 'More than one mystery: explorations in quantum interference' by M.P. Silverman

Sjöqvist, Erik

1996

• DOI för Book review of 'More than one mystery: explorations in quantum interference' by M.P. Silverman