Publication: Schwinger-Dyson equations and dynamical gluon mass generation
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American Institute of Physics (AIP)
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Abstract
We obtain a solution for the gluon propagador in Landau gauge within two distinct approximations for the Schwinger-Dyson equations (SIDE). The first, named Mandelstam's approximation, consist in neglecting all contributions that come from fermions and ghosts fields while in the second, the ghosts fields are taken into account leading to a coupled system of integral equations. In both cases we show that a dynamical mass for the gluon propagator can arise as a solution.
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English
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Ix Hadron Physics and Vii Relativistic Aspects of Nuclear Physics. Melville: Amer Inst Physics, v. 739, p. 419-421, 2004.
