Exotic Phases of a Higgs-Yukawa Model withReduced Staggered Fermions

S. Catterall, N. Butt, D. Schaich
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引用次数: 4

Abstract

We investigate the phase structure of a four dimensional SO(4) invariant lattice Higgs-Yukawa model comprising four reduced staggered fermions interacting with a real scalar field. The fermions belong to the fundamental representation of the symmetry group while the three scalar field components transform in the self-dual representation of SO(4). We explore the phase diagram and find evidence of a continuous transition between a phase where the fermions are massless to one where the fermions acquire mass. This transition is not associated with symmetry breaking and there is no obvious local order parameter.
减少交错费米子的希格斯-汤川模型的奇异相
我们研究了一个四维SO(4)不变晶格希格斯-汤川模型的相结构,该模型由四个简化的交错费米子与实标量场相互作用组成。费米子属于对称群的基本表示,而三个标量场分量在SO(4)的自对偶表示中变换。我们探索了相图,并找到了在费米子无质量的阶段到费米子获得质量的阶段之间连续转变的证据。这种跃迁与对称性破缺无关,也不存在明显的局部序参量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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