Matching the High Momentum Modes in a Truncated Determinant Algorithm
نویسندگان
چکیده
Because QCD in four dimensions is renormalizable, not super-renormalizable, the fluctuations of the fermion determinant are significant at all physical scales. Fortunately the short distance behaviour of QCD is very well understood. In particular, we know that for sufficiently high momentum scales this physics should be accurately described by an improved gauge action. In the truncated determinant algorithm[1], the fermion determinant is separated into two pieces
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