Seminar: Sensing magnon entanglement through light sources

Abstract: Entanglement, a fundamental feature of quantum mechanics, serves as a cornerstone of quantum technologies. It is deeply linked to the EPR paradox and Bell-type nonlocality, phenomena that challenge our understanding of reality. Even about half a century after its first experimental verification, many mysteries surrounding these concepts remain unresolved. Notably, the theoretical and experimental quantification of entanglement in quantum systems persists as a long-standing and intriguing question. In this talk, we explore entanglement and nonlocality in magnetic materials, focusing on the antiferromagnetic regime [1–6]. Particularly, we discuss potential experimental setups for detecting magnon entanglement in such quantum materials [2–3].

References:

[1] V. Azimi-Mousolou at al, Phys. Rev. B 102, 224418 (2020).

[2] V. Azimi-Mousolou et al, Phys. Rev. B 104, 224302 (2021).

[3] V. Azimi-Mousolou et al, Phys. Rev. B 108, 094430 (2023).

[4] Y. Liu et al., New J. Phys. 25, 113032 (2023).

[5] V. Azimi-Mousolou et al., Phys. Rev. B 110, L140403 (2024).

[6] Y. Liu et al., Quantum analog of Landau-Lifshitz-Gilbert dynamics, to appear in Phys. Rev. Lett. (2024). https://arxiv.org/pdf/2403.09255