THE INTERACTION PICTURE IN THE CLOSED TIME PATH GREEN'S FUNCTIONS
Author(s) -
XU HONG-HUA
Publication year - 1985
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.34.1359
Subject(s) - path (computing) , computer science , programming language
It is clarified that the interaction picture introduced in CTPGF ought to be the incoming one and the perturbation expansion of CTPGF to be developed also in this sense.
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