Simulating Wilson fermions without critical slowing down

Details Simulating Wilson fermions without critical slowing down Simulating Wilson fermions without critical slowing down

2009-11-20

arxiv.org/abs/0911.4099v1

PoS LAT2009:022,2009

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 3 figures. Presented at the XXVII International Symposium on Lattice Field Theory, July 26-31, 2009, Peking Universit

Scientific paper

We present a simulation algorithm for Wilson fermions based on the exact hopping expansion of the fermion action. The algorithm essentially eliminates critical slowing down by sampling the fermionic two-point correlation function and it allows simulations directly in the massless limit. As illustrative examples, the algorithm is applied to the Gross-Neveu and the Schwinger model, the latter in the strong coupling limit.

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