THE LINEAR σ-MODEL AND FINITE TEMPERATURE EFFECTS

20 June 1990

journal article
Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics A

Vol. 5 (12) , 2297-2312
https://doi.org/10.1142/s0217751x90001069

Abstract

We discuss the temperature effects on the masses and couplings constants in the linear σ-model including the effective pion decay constant f_π(T). We analyze in detail the region where our discussion is valid. The temperature effects on masses include an explicit discussion concerning the role of the thermal tadpoles as a mass contribution due to the vacuum.

Keywords

MATHEMATICAL MODEL
COUPLING CONSTANT
ELEMENTARY PARTICLES
QUANTUM MECHANICS

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