Discontinuities of Green Functions in Field Theory at Finite Temperature and Density

Kobes, R.L.; Semenoff, G.W.

doi:10.1016/0550-3213(85)90056-2

Discontinuities of Green Functions in Field Theory at Finite Temperature and Density

R.L. Kobes
(
- British Columbia U.
)
,
G.W. Semenoff
(
- British Columbia U.
)

1985

33 pages

Published in:

Nucl.Phys.B 260 (1985) 714-746

Published: 1985

DOI:

10.1016/0550-3213(85)90056-2

View in:

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Abstract: (Elsevier)

We derive systematic rules for calculating the imaginary parts of Minskowski space Green functions in quantum field theory at finite temperature and density. Self-energy corrections are used as an example of the application of these rules.

FIELD THEORY: FINITE TEMPERATURE
EFFECT: DENSITY
N-POINT FUNCTION
PROPAGATOR: RENORMALIZATION
FEYNMAN GRAPH: HIGHER-ORDER
QUANTUM ELECTRODYNAMICS: VACUUM POLARIZATION
VACUUM POLARIZATION: QUANTUM ELECTRODYNAMICS

References(21)

Figures(0)

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