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Title: Pressure of massless hot scalar theory in the boundary effective theory framework
Authors: Moreira, André Bessa
Brandt, Fernando Tadeu Caldeira
Carvalho Filho, Carlos Alberto Aragão de
Fraga, Eduardo Souza
Keywords: Massless hot scalar theory
Issue Date: 10-Jun-2011
Citation: MOREIRA, André Bessa et al. Pressure of massless hot scalar theory in the boundary effective theory framework. Physical review. D, Particles, Fields, Gravitation, and Cosmology), v. 83, 2011. Disponível em: <>. Acesso em: 13 out. 2017.
Portuguese Abstract: We use the boundary effective theory approach to thermal field theory in order to calculate the pressure of a system of massless scalar fields with quartic interaction. The method naturally separates the infrared physics, and is essentially nonperturbative. To lowest order, the main ingredient is the solution of the free Euler-Lagrange equation with nontrivial (time) boundary conditions. We derive a resummed pressure, which is in good agreement with recent calculations found in the literature, following a very direct and compact procedure
ISSN: 2470-0029
Appears in Collections:ECT - Artigos publicados em periódicos

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