TRANSFORMATION PROPERTIES OF THREE SETS OF CLOSED TIME PATH GREEN'S FUNCTIONS
Author(s) -
ZHOU GUANG-ZHAO,
Yu Lu,
Bailin Hao
Publication year - 1980
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.29.878
Subject(s) - transformation (genetics) , path (computing) , algebraic number , property (philosophy) , mathematics , green s , computer science , pure mathematics , mathematical analysis , biochemistry , chemistry , philosophy , epistemology , gene , programming language
In this article, we derived the transformations among three sets of elosed time path Green's functions and some calculation rules, from which a general definition of arbitrary multipoint retarded and advanced Green's functions follows naturally. Some algebraic identities among multipoint functions have shown to be the consequences of the property W[J+,J-](J+=J-=J)=0 for the generating functional on the closed time path.
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