Fermion spectrum in the quenched U(1) chiral Wilson-Yukawa model

Details Fermion spectrum in the quenched U(1) chiral Wilson-Yukawa model Fermion spectrum in the quenched U(1) chiral Wilson-Yukawa model

1992-11-11

arxiv.org/abs/hep-lat/9211026v1

Nucl. Phys. Proc. Suppl. 30 (1993) 658

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, Talk at Lattice '92, Amsterdam, Latex file( espcrc2.sty and epsf.sty are needed), 5 PostScript files for 5 figures ar

Scientific paper

10.1016/0920-5632(93)90296-I

Nature of charged fermion state is investigated in the quenched U(1) chiral Wilson-Yukawa model. Fitting the charged fermion propagator with a single hyperbolic cosine does not yield reliable result. On the other hand the behaviour of the propagator including large lattice size dependence is well described by the large Wilson-Yukawa coupling expansion, providing strong evidence that no charged state exists as an asymptotic particle in this model.

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