Finite Temperature Effective Potential for Spontaneously Broken $\lambda \Phi^4$ Theory
Abstract
We present a selfconsistent calculation of the finite temperature effective potential for $\lambda \Phi^4$ theory in four dimensions using a composite operator effective action. We find that in a spontaneously broken theory not only the socalled daisy and superdaisy graphs contribute to the nexttoleading order thermal mass, but also resummed nonlocal diagrams are of the same order, thus altering the effective potential at small effective mass.
 Publication:

arXiv eprints
 Pub Date:
 September 1994
 arXiv:
 arXiv:hepph/9409213
 Bibcode:
 1994hep.ph....9213N
 Keywords:

 High Energy Physics  Phenomenology
 EPrint:
 5 pages, Talk held at the 'Workshop on Quantum Infrared Physics', 68 June at Paris