منابع مشابه
The zeros of the QCD partition function
We establish a relationship between the zeros of the partition function in the complex mass plane and the spectral properties of the Dirac operator in QCD. This relation is derived within the context of chiral Random Matrix Theory and applies to QCD when chiral symmetry is spontaneously broken. Further, we introduce and examine the concept of normal modes in chiral spectra. Using this formalism...
متن کاملPartition function zeros in QCD
The spectral correlations of the QCD Dirac operator in the 4-dimensional Euclidean box, 1/ΛQCD ≪ L ≪ 1/mπ, usually denoted as Leutwyler-Smilga regime [3], have been the object of intense study in recent years. They contain valuable information about the chiral properties of the QCD vacuum. Provided that chiral symmetry is spontaneously broken, the above regime can be described either by an effe...
متن کاملRandom Matrices and the Convergence of Partition Function Zeros in Finite Density QCD
M. Á. Halász, J. C. Osborn, M. A. Stephanov, J. J. M. Verbaarschot Department of Physics and Astronomy, University of Pennsylvania, 209 S 33rd Street, Philadelphia, PA 19104, USA Department of Physics and Astronomy, State University of New York, Stony Brook, NY 11794-3800, USA Institute for Theoretical Physics, SUNY, Stony Brook, NY 11794-3840, USA Department of Physics, University of Illinois,...
متن کاملPartition function zeros of the square lattice Potts model.
We have evaluated numerically the zeros of the partition function of the q-state Potts model on the square lattice with reduced interactions K . On the basis of our numerical results, we conjecture that, both for finite planar self-dual lattices and for lattices with free or periodic boundary conditions in the thermodynamic limit, the zeros in the Resxd . 0 region of the complex x seK 2 1dypq...
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ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 2001
ISSN: 0550-3213
DOI: 10.1016/s0550-3213(01)00459-x