Publicação: Non-perturbative fixed points and renormalization group improved effective potential
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Elsevier B.V.
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Acesso aberto
Resumo
The stability conditions of a renormalization group improved effective potential have been discussed in the case of scalar QED and QCD with a colorless scalar. We calculate the same potential in these models assuming the existence of non-perturbative fixed points associated witha conformal phase. In the case of scalar QED the barrier of instability found previously is barely displaced as we approach the fixed point, and in the case of QCD with a colorless scalar not only the barrier is changed but the local minimum of the potential is also changed. (C) 2014 The Authors. Published by Elsevier B.V.
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Effective potential, Fixed points
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Inglês
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Physics Letters B. Amsterdam: Elsevier Science Bv, v. 739, p. 8-12, 2014.
