Self-consistent cosmological perturbations from thermal field theory

Details Self-consistent cosmological perturbations from thermal field theory Self-consistent cosmological perturbations from thermal field theory

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..67..793k&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 67, Aug. 12, 1991, p. 793-796.

Physics

16

Cosmology, Field Theory (Physics), High Temperature Environments, Perturbation Theory, Quantum Chromodynamics, Self Consistent Fields, Adiabatic Conditions, Relativistic Plasmas, Thermodynamic Equilibrium, Weak Interactions (Field Theory)

Scientific paper

Finite-temperature field theory is used for a self-consistent and manifestly gauge-invariant derivation of the effective field equations governing the evolution of adiabatic perturbations of a homogeneous, isotropic cosmological model dominated by an ultrarelativistic plasma of weakly interacting particles in thermal equilibrium. Solutions are obtained in the form of rapidly converging power-series expansions.

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