Temperature expansions for magnetic systems

Cangemi, Daniel; Dunne, Gerald V.

doi:10.1006/aphy.1996.0083

Temperature expansions for magnetic systems

Daniel Cangemi
(
- UCLA
)
,
Gerald V. Dunne
(
- Connecticut U.
)

Jan, 1996

21 pages

Published in:

Annals Phys. 249 (1996) 582-602

Published: Aug 1, 1996

e-Print:

hep-th/9601048 [hep-th]

DOI:

10.1006/aphy.1996.0083

Report number:

UCLA-96-TEP-1,
UCONN-96-1

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Abstract:

We derive finite temperature expansions for relativistic fermion systems in the presence of background magnetic fields, and with nonzero chemical potential. We use the imaginary-time formalism for the finite temperature effects, the proper-time method for the background field effects, and zeta function regularization for developing the expansions. We emphasize the essential difference between even and odd dimensions, focusing on

2+1

and

3+1

dimensions. We concentrate on the high temperature limit, but we also discuss the

T=0

limit with nonzero chemical potential.

Note:

25 pages, RevTeX Report-no: UCLA/96/TEP/1 and UCONN-96-1

field theory: finite temperature
fermion: relativistic
magnetic field: external field
potential: chemical
effective action
dimension: 3
dimension: 4

References(33)

Figures(0)

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