77 research outputs found
Status of International Lattice Data Grid -- An Overview --
We report on the status of the International Lattice Data Grid.Comment: Lattice2004(ILDG),2 page
Hadron Spectrum from Lattice QCD
A brief review is given of the lattice QCD calculation of the hadron
spectrum. The status of current attempts toward inclusion of dynamical up, down
and strange quarks is summarized focusing on our own work. Recent work on the
possible existence of pentaquark states are assessed. We touch upon the PACS-CS
Project for building our next machine for lattice QCD, and conclude with a
near-term physics and machine prospects.Comment: Talk given at the International Conference on QCD and Hadronic
Physics, Beijing, June 16-20, 2005. References added and correcte
Zeros of QCD partition function from finite density lattices
Partition function zeros steer the critical behavior of a system. Studying
four-flavor lattice QCD at finite temperature and density with the
Wilson-clover fermion action and the Iwasaki gauge action using a
phase-quenched fermion determinant, we combine statistics from multiple
chemical potentials to improve sampling of the configuration space, and aim at
unraveling the movement of zeros in finite systems. Preparing for further
investigations, we discuss methods and criteria used to sieve through complex
parameter space spanned by and , and present statistically robust zeros of the partition
function.Comment: 7 pages, 1 table, and 8 figures, presented at the 31st International
Symposium on Lattice Field Theory (Lattice 2013), 29 July - 3 August 2013,
Mainz, Germany. Changes include: fix a typo and clarify the caption for
Figure 1; clearly state estimating error for the number of independent
configuration
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