Linear sigma model at finite temperature

Petropoulos, N

dc.contributor.author	Petropoulos, N	en
dc.date.accessioned	2014-03-01T01:53:23Z
dc.date.available	2014-03-01T01:53:23Z
dc.date.issued	2004	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/26999
dc.relation.uri	http://arxiv.org/abs/hep-ph/0402136	en
dc.subject	Chiral Phase Transition	en
dc.subject	Composition Operator	en
dc.subject	Effective Mass	en
dc.subject	Effective Potential	en
dc.subject	Finite Temperature	en
dc.subject	First-order Phase Transition	en
dc.subject	High Temperature	en
dc.subject	Linear Sigma Model	en
dc.subject	Low Temperature	en
dc.subject	Quantum Fluctuation	en
dc.subject	Small Deviation	en
dc.subject	System Approach	en
dc.subject	Thermal Effects	en
dc.subject	Thermal Field Theory	en
dc.subject	cornwall jackiw tomboulis	en
dc.subject	Phase Transition	en
dc.subject	Real Time	en
dc.subject	Second Order	en
dc.title	Linear sigma model at finite temperature	en
heal.type	journalArticle	en
heal.publicationDate	2004	en
heal.abstract	The chiral phase transition is investigated within the framework of thermalfield theory using the O(N) linear sigma model as an effective theory. Wecalculate the thermal effective potential by using theCornwall-Jackiw-Tomboulis formalism of composite operators. The thermaleffective potential is calculated for N=4 involving as usual the sigma and thethree pions, and in the large-N approximation involving	en