Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-01-24
J.Phys.A36:4927-4936,2003
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, LaTeX
Scientific paper
10.1088/0305-4470/36/17/318
We introduce a gauge invariant and string independent two-point fermion correlator which is analyzed in the context of the Schwinger model (QED_2). We also derive an effective infrared worldline action for this correlator, thus enabling the computation of its infrared behavior. Finally, we briefly discuss possible perspectives for the string independent correlator in the QED_3 effective models for the normal state of HTc superconductors.
Barci Daniel G.
Oxman Luis E.
Sorella Silvio Paolo
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