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Lattice QCD with Staggered Quarks: Why, Where, and How (Not)
Presenter: Andreas Kronfeld — Fermilab
Many results from lattice QCD of broad importance to particle and nuclear physics are obtained with 2+1 flavors of staggered sea quarks. Staggered quarks come in four species, called tastes. To reduce the number of tastes to one (per flavor), the simulation employs the fourth root of the four-taste staggered quark determinant. This talk surveys evidence in favor of this procedure, addresses recent criticisms, and reviews recent algorithmic and technical improvements. If time allows, selected physics results (not covered in other plenary talks) may be mentioned.
© 2006, University of Regensburg, Dept. of Physicscontact: lat07 at physik.uni-regensburg.de