Berry phase of coupled two arbitrary spins in a time-varying magnetic field

被引：3

作者：

Institute of Theoretical Physics, Shanxi University, Taiyuan 030006, China ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

机构：

[1] Institute of Theoretical Physics, Shanxi University

[2] Institute of Condensed Matter Physics, Linyi Normal University

[3] Department of Physics, Qufu Normal University

来源：

Chin. Phys. | 2006年 / 5卷 / 912-914期

关键词：

Berry phase; Coupled two arbitrary spins; Time-dependent gauge transformation;

D O I：

10.1088/1009-1963/15/5/006

中图分类号：

学科分类号：

摘要：

In this paper, we investigate the Berry phase of two coupled arbitrary spins driven by a time-varying magnetic field where the Hamiltonian is explicitly time-dependent. Using a technique of time-dependent gauge transform the Berry phase and time-evolution operator are found explicitly in the adiabatic approximation. The general solutions for arbitrary spins are applied to the spin-1/2 system as an example of explanation. © 2006 Chin. Phys. Soc. and IOP Publishing Ltd.

引用

页码：912 / 914

页数：2

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