Exact chiral invariance at finite density on the lattice

Details Exact chiral invariance at finite density on the lattice Exact chiral invariance at finite density on the lattice

2011-11-25

arxiv.org/abs/1111.5944v1

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, RevTeX

Scientific paper

We propose a lattice action for the overlap Dirac matrix with nonzero
chemical potential which is shown to preserve the chiral invariance on the
lattice exactly. We further demonstrate it to arise from the Domain wall by
letting the chemical potential count only the physically relevant wall modes.

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