Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2371
Title: Berry's phase under the Dzyaloshinskii-Moriya interaction
Authors: Kwan, M. K.
Gürkan, Zeynep Nilhan
Kwek, L. C.
Keywords: Flow interactions
Computer networks
Magnetic devices
Magnetism
Magnetic fields
Issue Date: Jun-2008
Publisher: American Physical Society
Source: Kwan, M. K., Gürkan, Z. N., and Kwek, L. C. (2008). Berry's phase under the Dzyaloshinskii-Moriya interaction. Physical Review A - Atomic, Molecular, and Optical Physics, 77(6), doi: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.
URI: http://doi.org/10.1103/PhysRevA.77.062311
http://hdl.handle.net/11147/2371
ISSN: 1050-2947
1050-2947
1094-1622
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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