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Lattice gauge theory and gluon color-confinement in curved spacetime

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.

preprint2014arXivOpen access
Kristian Hauser VillegasJose Perico Esguerra
hep-lat
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Kristian Hauser VillegasJose Perico Esguerra

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