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Quantum entanglement in a family of Heisenberg models with the multiple components of Dzyaloshinsky-Moriya and Kaplan-Shekhtman-Entin-Wohlman-Aharony interactionsстатья
- Авторы: Fedorova Anna, Yurischev Mikhail
- Сборник: International Conference on Micro- and Nano-Electronics 2021
- Серия: Proceedings of SPIE
- Том: 12157
- Год издания: 2022
- Место издания: SPIE
- DOI: 10.1117/12.2622369
- Аннотация: Quantum entanglement is one of the most important measures of quantum correlations. Using group-theoretical approach we found a family of four nine-parameter quantum states for the two-spin-1/2 Heisenberg system in an external magnetic field and with multiple components of Dzyaloshinsky-Moriya (DM) and Kaplan-Shekhtman- Entin-Wohlman-Aharony (KSEA) interactions. Exact analytical formulas are derived for the entanglement of formation for the quantum states found. In the proceeding, the family of found states and the structure of interactions in them are discussed.
- Добавил в систему: Алдошин Сергей Михайлович