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Wilson, fixed point and Neuberger's lattice Dirac operator for the Schwinger model (CROSBI ID 248053)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Farchioni, F. ; Hip, Ivan ; Lang C.B. Wilson, fixed point and Neuberger's lattice Dirac operator for the Schwinger model // Physics letters. B, 443 (1998), 14; 214-220. doi: 10.1016/S0370-2693(98)01343-4

Podaci o odgovornosti

Farchioni, F. ; Hip, Ivan ; Lang C.B.

engleski

Wilson, fixed point and Neuberger's lattice Dirac operator for the Schwinger model

We perform a comparison between different lattice regularizations of the Dirac operator for massless fermions in the framework of the single and two flavor Schwinger model. We consider a) the Wilson-Dirac operator at the critical value of the hopping parameter: b) Neuberger's overlap operator: c) the fixed point operator. We test chiral properties of the spectrum. dispersion relations and rotational invariance of the mesonic bound state propagators.

lattice field theory ; fixed point action ; overlap operator ; Dirac operator spectrum ; zero-modes ; topological charge ; Schwinger model

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Podaci o izdanju

443 (14)

1998.

214-220

objavljeno

0370-2693

1873-2445

10.1016/S0370-2693(98)01343-4

Povezanost rada

Fizika

Poveznice
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