Fermion Condensate and Vacuum Current Density Induced by Homogeneous and Inhomogeneous Magnetic Fields in 2 1-Dimensions - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: We calculate the condensate and the vacuum current density induced byexternal static magnetic fields in 2+1-dimensions. At the perturbative level,we consider an exponentially decaying magnetic field along one cartesiancoordinate. Non-perturbatively, we obtain the fermion propagator in thepresence of a uniform magnetic field by solving the Schwinger-Dyson equation inthe rainbow-ladder approximation. In the large flux limit, we observe that boththese quantities, either perturbative inhomogeneous and non-perturbativehomogeneous, are proportional to the external field, in agreement with earlyexpectations.



Autor: Alfredo Raya, Edward Reyes

Fuente: https://arxiv.org/







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