ON THE EXTRA PHASE ACCOMPANYING BERRY PHASE IN TERMS OF COHERENT STATE PATH INTEGRAL

被引：5

作者：

FUKUI, T

机构：

来源：

PROGRESS OF THEORETICAL PHYSICS | 1992年 / 87卷 / 04期

关键词：

D O I：

10.1143/PTP.87.927

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the WKB approximation for coupled channel equations, it has beenpointed out by Yabana and Horiuchi that the semi-classical quantization condition should be modified by Berry's phase and another extra phase. Recently Littlejohn and Flynn have rederived them in a quite elegant way. We concentrate on this extra phase in this paper, and derive it for a simple model by means of the path integral method in the generalized coherent state representation. It is shown that it appears as a quantum fluctuation around classical orbits.

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页码：927 / 935

页数：9

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