Unquenched domain wall quarks with multi-bosons
نویسندگان
چکیده
منابع مشابه
Unquenched domain wall quarks with multi - bosons
The numerical simulation of domain wall quarks with the two-step multi-boson (TSMB) algorithm is considered. The inclusion of single quark flavours, as required for strange quarks, is discussed. The usage of computer memory can be kept relatively low, independently of the order of polynomial approximations. Tests are performed with two flavours (N f = 2) of degenerate quarks near the N t = 4 th...
متن کامل00 2 Unquenched domain wall quarks with multi - bosons
The numerical simulation of domain wall quarks with the two-step multi-boson (TSMB) algorithm is considered. The inclusion of single quark flavours, as required for strange quarks, is discussed. The usage of computer memory can be kept relatively low, independently of the order of polynomial approximations. Tests are performed with two flavours (N f = 2) of degenerate quarks near the N t = 4 th...
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Lattice actions with improved chiral properties offer the perspective of QCD simulations with a better control of chiral symmetry at non-zero lattice spacings. A prototype is the domain wall fermion action [1–3] defined on a five dimensional hypercubic lattice. Following Shamir’s formulation [3], the light chiral fermion modes are located on two boundaries of the fifth dimension. The price of t...
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We present recent results in unquenched lattice QCD with two degenerate light sea quarks using the truncated determinant approximation (TDA). In the TDA the infrared modes contributing to the quark determinant are computed exactly up to some cutoff in quark off-shellness (typically 2ΛQCD). This approach allows simulations to be performed at much lighter quark masses than possible with conventio...
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An obvious source of systematic error in numerical lattice QCD at present is the quenched approximation. Use of domain wall fermion (DWF) [1] dynamical quarks to lift this approximation is attractive because DWF preserve the flavor and chiral symmetries both on and off shell on the lattice before the continuum limit is taken. Evidently successful implementation would bring many advantages, such...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2002
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(02)01883-x