Lattice2010

Session

Parallel 51: Nonzero temperature and density

18 Jun 2010, 14:30

Villasimius, Sardinia

195. Spectral properties of quarks above Tc -- thermal mass, dispersion relation, and self-energy --

Masakiyo Kitazawa (Osaka University)

18/06/2010, 14:30

Nonzero temperature and density

Spectral properties of quarks above the critical temperature for deconfinement are analyzed in quenched lattice QCD on lattices of size $128^3\times16$. We study quark spectral function in energy and momentum space, focusing on the values of the thermal mass and the dispersion relations of normal and plasmino modes at nonzero momentum, as well as their spatial volume dependence. Our...

336. Longitudinal and transverse meson correlators in the deconfined phase from the lattice

Chris Allton (Swansea University)

18/06/2010, 14:50

Nonzero temperature and density

It has long been known that QCD undergoes a deconfining phase transition at high temperature. One of the consequent features of this new, quark-gluon phase is that hadrons become unbounded. In this talk meson correlation functions at non-zero momentum are studied in the deconfined phase using the Maximum Entropy Method. In particular, both the longitudinal and transverse vector...

24. THE SCALAR DOES NOT DECAY AT FINITE TEMPERATURES.

Debasish Banerjee (Tata Institute of Fundamental Research)

18/06/2010, 15:10

Nonzero temperature and density

We investigate medium effects on mesonic screening lengths for QCD with 2-flavours of dynamical staggered quarks on lattices with cutoff a=1/6T. In our study, T ranges from 0.89 Tc to 1.92 Tc, spanning both the hadronic and the quark-gluon plasma phases. While chiral symmetry restoration in the vector channel appears to take place near Tc, it is seen in the scalar channel only above...

230. Lattice study of transport coefficients in second order dissipative hydrodynamics

Yasuhiro Kohno (Osaka University)

18/06/2010, 15:30

Nonzero temperature and density

The quark-gluon plasma produced in heavy ion collisions at RHIC energy is known to be very close to the ideal fluid. Calculations with viscosities and other transport coefficients, i.e. second order dissipative hydrodynamics is known as a causal theory, it includes many phenomenological transport coefficients. We attempt to constrain those transport coefficients by SU(3) lattice gauge...

286. Another mean field treatment in the strong coupling limit of lattice QCD

Akira Ohnishi (Yukawa Institute for Theoretical Physics, Kyoto University)

18/06/2010, 15:50

Nonzero temperature and density

Strong coupling lattice QCD (SC-LQCD) is a useful approach to study dense matter based on QCD. With the aid of the mean field for the chiral condensate and 1/d expansion, phase diagram has been obtained in the strong coupling limit and with the NLO / NNLO finite coupling effects. Recently, de Forcrand and Fromm investigated the phase diagram in the Monomer-Dimer-Polymer (MDP) algorithm in the...