A gauge invariant and string independent fermion correlator in the Schwinger model

Details A gauge invariant and string independent fermion correlator in the Schwinger model A gauge invariant and string independent fermion correlator in the Schwinger model

2003-01-24

arxiv.org/abs/hep-th/0301197v1

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.

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