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http://acervodigital.unesp.br/handle/11449/38860
- Título:
- AMBIGUITIES IN CHIRAL-SYMMETRY BREAKING USING THE EFFECTIVE POTENTIAL APPROACH
- Universidade Estadual Paulista (UNESP)
- 0170-9739
- Using a form of the effective potential for composite operators with a variational approach we show that it is possible to get different directions of the chiral phase transition in QCD. Which one occurs depends on the way the Schwinger-Dyson equation for the fermion self-energy is used in the 2-loop term of the effective potential. We must choose the 2-loop term which agrees with phenomenology in each form of the effective potential.
- 1-Jan-1991
- Zeitschrift Fur Physik C-particles and Fields. New York: Springer Verlag, v. 50, n. 1, p. 149-153, 1991.
- 149-153
- Springer
- http://dx.doi.org/10.1007/BF01558570
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/38860
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