Tuning for Three-flavors of Anisotropic Clover Fermions with Stout-link Smearing

Edwards, Robert; Joo, Balint; Lin, Huey-Wen

doi:10.1103/PhysRevD.78.054501

Tuning for Three-flavors of Anisotropic Clover Fermions with Stout-link Smearing

Journal Article · Mon Sep 01 04:00:00 EDT 2008 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.78.054501· OSTI ID:955840

Edwards, Robert; Joo, Balint; Lin, Huey-Wen

DOI: http://dx.doi.org/10.1103/PhysRevD.78.054501
In this work we perform the parameter tuning of three flavors of dynamical clover quarks on anisotropic lattices. The fermion action uses three dimensional spatial stout-link smearing. The gauge anisotropy is determined in a small box with Schr\"odinger-background using Wilson-loop ratios. The fermion anisotropy is obtained from studying the meson dispersion relation with antiperiodic boundary conditions in the time direction. The spatial and temporal clover coefficients are fixed to the tree-level tadpole-improved values, and we demonstrate that they satisfy the nonperturbative conditions as determined by the Schroedinger functional method. For the desired lattice spacing $$a_s\approx 0.12$$~fm and renormalized anisotropy $$\xi=3.5$$, we find the gauge and fermionic anisotropies can be fixed to quark mass independent values up through the strange quark mass. This work lays the foundation needed for fur

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Research Organization:: Thomas Jefferson Lab National Accelerator Facility

Sponsoring Organization:: USDOE

OSTI ID:: 955840

Report Number(s):: JLAB-THY-08-806; arXiv:0803.3960; DOE/OR/23177-0337

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 78; ISSN PRVDAQ; ISSN 1550-7998

Country of Publication:: United States

Language:: English

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Tuning for Three-flavors of Anisotropic Clover Fermions with Stout-link Smearing

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