Topological susceptibility in lattice Yang-Mills theory with open boundary condition
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We find that using open boundary condition in the temporal direction can yield the expected value of the topological susceptibility in lattice SU(3) Yang-Mills theory. As a further check, we show that the result agrees with numerical simulations employing the periodic boundary condition. Our results support the preferability of the open boundary condition over the periodic boundary condition as the former allows for computation at smaller lattice spacings needed for continuum extrapolation at a lower computational cost.
KeywordsLattice Gauge Field Theories Nonperturbative Effects Lattice Quantum Field Theory
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