Classical Model for Quantum Berry's Phase Factors

  • Having considered the similarity between the classical evolution equation and the Schrodinger equation, in this paper we show that a geometric phase factor with topological property,which we call the classical Berry's phase factor, appears properly in the solutions of the classical evolution equations with slowly-changing parameters. The general solutions of the approximate equations in any order in the non-degenerate case are given when the adiabatic condition is violated. As an example, an electrically charged particle moves in an adiabatically varying magnetic field is studied in detail, and a classical model for the Berry's phase factor is obtained explicitly. The phase factor can be explained in geometry as a holonomy of the hermitian linear fiber bundle on a unit sphere S2 of the parameter space.
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Sun Changpu. Classical Model for Quantum Berry's Phase Factors[J]. Chinese Physics C, 1989, 13(S1): 15-22.
Sun Changpu. Classical Model for Quantum Berry's Phase Factors[J]. Chinese Physics C, 1989, 13(S1): 15-22. shu
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Received: 1987-10-08
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Classical Model for Quantum Berry's Phase Factors

  • Department of Physics, Northeast Normal University, Changchun

Abstract: Having considered the similarity between the classical evolution equation and the Schrodinger equation, in this paper we show that a geometric phase factor with topological property,which we call the classical Berry's phase factor, appears properly in the solutions of the classical evolution equations with slowly-changing parameters. The general solutions of the approximate equations in any order in the non-degenerate case are given when the adiabatic condition is violated. As an example, an electrically charged particle moves in an adiabatically varying magnetic field is studied in detail, and a classical model for the Berry's phase factor is obtained explicitly. The phase factor can be explained in geometry as a holonomy of the hermitian linear fiber bundle on a unit sphere S2 of the parameter space.

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