Electronic Resource
Springer
The European physical journal
36 (1987), S. 153-162
ISSN:
1434-6052
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract Problems with calculations of Feynaman diagrams with no external leg carrying non-zero momentum for a finite temperature scalar field theory using a real time path integral approach are considered. The necessary extra rules for all such calculations are derived, covering all the usual methods of calculating the effective potential, and several problems with such calculations from the path integral viewpoint are resolved.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01556175
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