Phase Diagram of An SU(2)xSU(2) Scalar-Fermion Model with Massless Decoupled Doublers

Details Phase Diagram of An SU(2)xSU(2) Scalar-Fermion Model with Massless Decoupled Doublers Phase Diagram of An SU(2)xSU(2) Scalar-Fermion Model with Massless Decoupled Doublers

1994-02-03

arxiv.org/abs/hep-lat/9402001v2

Phys.Lett.B329:75-80,1994

Physics

High Energy Physics

High Energy Physics - Lattice

11 pages in plain TeX + 1 figure in PostScript appended after the string: %%%%% FIGURE %%%%%% . ADDED A NEW REFERENCE: S.Zenki

Scientific paper

10.1016/0370-2693(94)90519-3

We present the phase structure of the chiral SU(2)xSU(2) scalar-fermion model on the lattice using the Zaragoza proposal for chiral fermions. The numerical result agrees with an analytic study based on the use of weak and strong Yukawa coupling expansions combined with the mean field approach. The phase diagram consits of four phases: paramagnetic(PM), ferromagnetic(FM), antiferromagnetic(AFM) and ferrimagnetic (FI). The transition lines separating these four phases intersect at one quadruple point.

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