The finite-temperature effective potential of the O(N) linear sigma model is studied, with emphasis on the implications for the investigation of hot hadron dynamics. The contributions from all the ''bubble diagrams'' are fully taken into account for arbitrary N; this also allows to address some long-standing issues concerning the use of non-perturbative approaches in (finite-temperature) field theory. (C) 1997 Elsevier Science B.V.
Thermal effective potential of the O(N) linear sigma model / AMELINO-CAMELIA, Giovanni. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 407:(1997), pp. 268-274. [10.1016/s0370-2693(97)00709-0]
Thermal effective potential of the O(N) linear sigma model
AMELINO-CAMELIA, Giovanni
1997
Abstract
The finite-temperature effective potential of the O(N) linear sigma model is studied, with emphasis on the implications for the investigation of hot hadron dynamics. The contributions from all the ''bubble diagrams'' are fully taken into account for arbitrary N; this also allows to address some long-standing issues concerning the use of non-perturbative approaches in (finite-temperature) field theory. (C) 1997 Elsevier Science B.V.File allegati a questo prodotto
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