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Classical and Quantum Gravity Volume 7 Number 11 Create an alert RSS this journal

K Kirsten 1990 Class. Quantum Grav. 7 2169 doi:10.1088/0264-9381/7/11/024

High-temperature expansion in the adiabatic approximation

K Kirsten

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Abstract References Cited By

COMMENT

Massive scalar fields are considered in slowly time-varying background fields of Robertson-Walker type. Using zeta function regularization and heat-kernel techniques, a high-temperature expansion of the 1-loop effective action is calculated up to second order in the adiabatic approximation.


PACS

04.50.-h Higher-dimensional gravity and other theories of gravity

04.25.-g Approximation methods; equations of motion

04.20.Gz Spacetime topology, causal structure, spinor structure

MSC

83C75 Space-time singularities, cosmic censorship, etc.

83E15 Kaluza-Klein and other higher-dimensional theories

83C25 Approximation procedures, weak fields

Subjects

Gravitation and cosmology

Dates

Issue 11 (November 1990)



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