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arXiv 0911.0886hep-lat
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SU(3)格点规范理论中六重费米子的亚稳非限制态

Metastable nonconfining states in SU(3) lattice gauge theory with sextet fermions

Olga Machtey, Benjamin Svetitsky

摘要:

我们研究了SU(3)格点规范理论,在有限温度相变附近,有两种口味的六重态Wilson-clover费米子.我们发现了具有威尔逊线期望值的亚稳态,其复相位接近2 π/3或π。在这些耦合和温度下的真实平衡相的威尔逊线只朝向正实轴,与微扰理论一致。

英文摘要:

We study the SU(3) lattice gauge theory, with two flavors of sextet Wilson-clover fermions, near its finite-temperature phase transition. We find metastable states that have Wilson line expectation values whose complex phases are near 2pi/3 or pi. The true equilibrium phase at these couplings and temperatures has its Wilson line oriented only towards the positive real axis, in agreement with perturbation theory.

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