SERIES REPRESENTATION OF QUANTUM-FIELD QUASI-PROBABILITIES

被引：178

作者：

MOYACESSA, H ^{[1
]}

KNIGHT, PL ^{[1
]}

机构：

[1] INST NACL ASTROFIS OPT & ELECTR, PUEBLA, MEXICO

来源：

PHYSICAL REVIEW A | 1993年 / 48卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.48.2479

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The Wigner and Glauber-Sudarshan P functions for quantum fields are usually defined in terms of integrals over the phase space of characteristic functions. We show that they and, in general, any s-parametrized quasiprobability distribution may be represented as a series in terms of displaced number states facilitating a straightforward evaluation.

引用

页码：2479 / 2481

页数：3

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