FEYNMAN PATH-INTEGRAL REPRESENTATION OF FIELD OPERATORS AND MEMORY SUPEROPERATORS IN A LIOUVILLE SPACE

被引：7

作者：

BOCHICCHIO, RC ^{[1
]}

GRINBERG, H ^{[1
]}

机构：

[1] UNIV BUENOS AIRES, FAC CIENCIAS EXACTAS & NAT, DEPT FIS, RA-1428 BUENOS AIRES, ARGENTINA

来源：

PHYSICAL REVIEW A | 1990年 / 41卷 / 11期

关键词：

D O I：

10.1103/PhysRevA.41.5814

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The Feynman path-integral representation for memory superoperators is investigated. A physical interpretation of evolution superoperators in a Liouville space is given and shown to be closely related to the Feynman representation of quantum mechanics. From a general Huygens-like principle it is possible to obtain the Feynman path-integral representation for field operators. An application of the present formalism to a noninteracting many-boson system is provided. © 1990 The American Physical Society.

引用

页码：5814 / 5819

页数：6

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