Quasiparticle theory of shear and bulk viscosities of hadronic matter
A theoretical framework for the calculation of shear and bulk viscosities of hadronic matter at
finite temperature is presented. The framework is based on the quasiparticle picture. It …
finite temperature is presented. The framework is based on the quasiparticle picture. It …
Shear viscosity of a hadron gas and influence of resonance lifetimes on relaxation time
We address a discrepancy between different computations of η/s (shear viscosity over
entropy density) of hadronic matter. Substantial deviations of this coefficient are found …
entropy density) of hadronic matter. Substantial deviations of this coefficient are found …
Bulk viscosity in quasiparticle models
We discuss transport properties of dynamical fluid composed of quasiparticles whose
masses depend on temperature and charge chemical potentials. Based on the relativistic …
masses depend on temperature and charge chemical potentials. Based on the relativistic …
Transport coefficients near chiral phase transition
We analyze the transport properties of relativistic fluid composed of constituent quarks at
finite temperature and density. We focus on the shear and bulk viscosities and study their …
finite temperature and density. We focus on the shear and bulk viscosities and study their …
Transport coefficients and resonances for a meson gas in Chiral Perturbation Theory
D Fernández-Fraile, A Gomez Nicola - The European Physical Journal C, 2009 - Springer
We present recent results on a systematic method to calculate transport coefficients for a
meson gas (in particular, we analyze a pion gas) at low temperatures in the context of Chiral …
meson gas (in particular, we analyze a pion gas) at low temperatures in the context of Chiral …
Viscosity in the excluded volume hadron gas model
The shear viscosity η in the van der Waals excluded volume hadron-resonance gas model is
considered. For the shear viscosity the result of a nonrelativistic gas of hard-core particles is …
considered. For the shear viscosity the result of a nonrelativistic gas of hard-core particles is …
Suppression of the shear viscosity in a “semi”-quark-gluon plasma
We consider QCD at temperatures T near T c, where the theory deconfines. We distinguish
between a “complete” quark-gluon plasma (QGP), where the vacuum expectation value of …
between a “complete” quark-gluon plasma (QGP), where the vacuum expectation value of …
Shear viscosity of a hadronic gas mixture
K Itakura, O Morimatsu, H Otomo - Physical Review D—Particles, Fields …, 2008 - APS
We discuss in detail the shear viscosity coefficient η and the viscosity to entropy density ratio
η/s of a hadronic gas comprised of pions and nucleons. In particular, we study the effects of …
η/s of a hadronic gas comprised of pions and nucleons. In particular, we study the effects of …
Electrical conductivity of a pion gas
D Fernández-Fraile, AG Nicola - … Review D—Particles, Fields, Gravitation, and …, 2006 - APS
The electrical conductivity of a pion gas at low temperatures is studied in the framework of
linear response and chiral perturbation theory. The standard ChPT power counting has to be …
linear response and chiral perturbation theory. The standard ChPT power counting has to be …
QCD viscosity to entropy density ratio in the hadronic phase
The shear viscosity η of QCD in the hadronic phase is computed by the coupled Boltzmann
equations of pions and nucleons in low temperatures and low baryon-number densities. The …
equations of pions and nucleons in low temperatures and low baryon-number densities. The …