Berry Phase in a Single Quantum Dot with Spin-Orbit Interaction

Details Berry Phase in a Single Quantum Dot with Spin-Orbit Interaction Berry Phase in a Single Quantum Dot with Spin-Orbit Interaction

2008-10-30

arxiv.org/abs/0810.5405v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 5 figures

Scientific paper

Berry phase in a single quantum dot with Rashba spin-orbit coupling is investigated theoretically. Berry phases as functions of magnetic field strength, dot size, spin-orbit coupling and photon-spin coupling constants are evaluated. It is shown that the Berry phase will alter dramatically from 0 to $2\pi$ as the magnetic field strength increases. The threshold of magnetic field depends on the dot size and the spin-orbit coupling constant.

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