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Remarks on strange-quark simulations with Wilson fermions

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arxiv 2003.13359 v1 pith:GNCV4Z27 submitted 2020-03-30 hep-lat

Remarks on strange-quark simulations with Wilson fermions

Daniel Mohler , Stefan Schaefer This is my paper
classification hep-lat
keywords fermionswilsonassumedassumptionconsequencesdeterminantdiscussevidence
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In the simulation of QCD with 2+1 flavors of Wilson fermions, the positivity of the fermion determinant is generally assumed. We present evidence that this assumption is in general not justified and discuss the consequences of this finding.

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