Publicação: Vacuum energy as a c-function for theories with dynamically generated masses
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Elsevier B.V.
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Resumo
We argue that in asymptotically free non-Abelian gauge theories possessing the phenomenon of dynamical mass generation the beta function is negative up to a value of the coupling constant that corresponds to a non-trivial fixed point, in agreement with recent AdS/QCD analysis. This fixed point happens at the minimum of the vacuum energy (Omega), which, as a characteristic of theories with dynamical mass generation, has the properties of a c-function. (C) 2010 Elsevier B.V. All rights reserved.
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c-function, Dynamical mass generation, Infrared fixed point, Vacuum energy
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Inglês
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Physics Letters B. Amsterdam: Elsevier B.V., v. 696, n. 1-2, p. 173-177, 2011.
