QCD with two dynamical flavors of chirally improved quarks

Details QCD with two dynamical flavors of chirally improved quarks QCD with two dynamical flavors of chirally improved quarks

2005-12-12

arxiv.org/abs/hep-lat/0512014v3

Phys.Rev. D73 (2006) 034507

Physics

High Energy Physics

High Energy Physics - Lattice

9 pages, 7 figures, RevTeX4, minor correction

Scientific paper

10.1103/PhysRevD.73.034507

Considering Ginsparg-Wilson type fermions dynamically in lattice QCD simulations is a challenging task. The hope is to be able to approach smaller pion masses and to eventually reach physical situations. The price to pay is substantially higher computational costs. Here we discuss first results of a dynamical implementation of the so-called Chirally Improved Fermions, a Dirac operator that obeys the Ginsparg-Wilson condition approximately. The simulation is for two species of mass-degenerate quarks on 12^3x24 lattices with spatial size up to 1.55 fm. Implementation of the Hybrid Monte-Carlo algorithm and an analysis of the results are presented.

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