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Teoreticheskaya i Matematicheskaya Fizika, 1985, Volume 65, Number 2, Pages 181–191
(Mi tmf5077)
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Diagram technique in field theory at finite temperature
R. L. Mkrtchyan
Abstract:
A diagram technique is proposed for calculating the free energy and effective potential
in relativistic field theory at finite temperature. It is similar to but differs from the
real-time formalism of Dolan and Jackiw, which, as will be shown, contains redundant
diagrams. The technique is most convenient for systematic low-temperature expansion.
Received: 22.11.1984
Citation:
R. L. Mkrtchyan, “Diagram technique in field theory at finite temperature”, TMF, 65:2 (1985), 181–191; Theoret. and Math. Phys., 65:2 (1985), 1091–1098
Linking options:
https://www.mathnet.ru/eng/tmf5077 https://www.mathnet.ru/eng/tmf/v65/i2/p181
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