On the derivative expansion at finite temperature

Das, Ashok K.; Hott, Marcelo B.

doi:10.1103/PhysRevD.50.6655

On the derivative expansion at finite temperature

Jul 18, 1994

7 pages

Published in:

Phys.Rev.D 50 (1994) 6655-6657

e-Print:

hep-ph/9407283 [hep-ph]

DOI:

10.1103/PhysRevD.50.6655

Report number:

UR-1363,
ER-40685-813

View in:

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Abstract:

In this short note, we indicate the origin of nonanalyticity in the method of derivative expansion at finite temperature and discuss some of its consequences.

field theory: scalar
finite temperature
path integral
effective action
perturbation theory: higher-order

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