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Title: Semiclassical calculation of decay rates
Authors: Moreira, André Bessa
Carvalho Filho, Carlos Alberto Aragão de
Fraga, Eduardo Souza
Keywords: Decay rates;Finite-temperature field theory
Issue Date: 2009
Publisher: Elsevier
Citation: MOREIRA, André Bessa; CARVALHO FILHO, Carlos Alberto Aragão de; FRAGA, Eduardo Souza. Semiclassical calculation of decay rates. Nuclear Physics A, v. 820, p. 231c-234c, 2009. Disponível em: <>. Acesso em: 10 out. 2017.
Portuguese Abstract: Several relevant aspects of quantum-field processes can be well described by semiclassical meth- ods. In particular, the knowledge of non-trivial classical solutions of the field equations, and the thermal and quantum fluctuations around them, provide non-perturbative information about the theory. In this work, we discuss the calculation of the one-loop effective action from the semiclasssical viewpoint. We intend to use this formalism to obtain an accurate expression for the decay rate of non-static metastable states
ISSN: 0375-9474
Appears in Collections:ECT - Artigos publicados em periódicos

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