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arXiv 1407.1371hep-lat
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弯曲时空中的格点规范理论和胶子色禁闭

Lattice gauge theory and gluon color-confinement in curved spacetime

Kristian Hauser Villegas, Jose Perico Esguerra

摘要:

建立了弯曲时空的格点规范理论。导出了胶子场和夸克场的离散作用量,它在连续极限下可简化为一般的协变形式。利用Wilson作用量,解析地证明了在一般弯曲时空背景下,两个传播胶子总是色限制的。在Friedman-Robertson-Walker度规的特殊情况下讨论了费米子加倍问题。最后,我们讨论了弯曲时空中格点量子色动力学未来可能的数值实现。

英文摘要:

The lattice gauge theory for curved spacetime is formulated. A discretized action is derived for both gluon and quark fields which reduces to the generally covariant form in the continuum limit. Using the Wilson action, it is shown analytically that for a general curved spacetime background, two propagating gluons are always color-confined. The fermion-doubling problem is discussed in the specific case of Friedman-Robertson-Walker metric. Lastly, we discussed possible future numerical implementation of lattice QCD in curved spacetime.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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