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能量有限系统的相位算符与相位本征态

物理学报, 1997, 46(12): 2348-2358.
DOI: 10.7498/aps.46.2348
CSTR: 32037.14.aps.46.2348

PHASE OPERATOR AND PHASE STATES FOR FINITE ENERGY SYSTEM

Acta Phys. Sin., 1997, 46(12): 2348-2358.
DOI: 10.7498/aps.46.2348
CSTR: 32037.14.aps.46.2348
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  • 摘要

    在简述相位算符研究的基础上，为了克服Ｐｅｇｇ-Ｂａｒｎｅｔ相位态平均光子数发散困难，提出有限能量系统的相位算符与相位本征态，研究了它的正交完备性、任意态函数的相位起伏计算及其在实际系统中的应用．

     

    Abstract

    In view of the divergent expectation value of photon number in Pegg-Barnett phase state,in this paper the phase operator,phase states for finite energy system are defined.Its orthogonality,completeness and application in the phase fluctuation calculation are studied.

     

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