Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.77.062311
Title: Berry's phase under the Dzyaloshinskii-Moriya interaction
Authors: Kwan, M.K.
Nilhan Gurkan, Z.
Kwek, L.C. 
Issue Date: 9-Jun-2008
Citation: Kwan, M.K., Nilhan Gurkan, Z., Kwek, L.C. (2008-06-09). Berry's phase under the Dzyaloshinskii-Moriya interaction. Physical Review A - Atomic, Molecular, and Optical Physics 77 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.77.062311
Abstract: In this paper, we study the Dzyaloshinskii-Moriya (DM) anisotropic XX spin-chain model in the presence of an external homogeneous magnetic field. We found that the Berry phase of the system varies interestingly with small and large amounts of DM interaction and the magnetic field. In addition, we also considered the concurrence (i.e., the amount of entanglement) of the system, and the relationship between the concurrence and the Berry phase. Finally, we calculate the Berry phase of thermal states and verify that the results are consistent with that of the pure states. © 2008 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/112387
ISSN: 10502947
DOI: 10.1103/PhysRevA.77.062311
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