中文
相关论文

相关论文: Phase transition between three- and two-flavor QCD…

200 篇论文

The models of translationally invariant infinite nuclear matter in the relativistic mean field models are very interesting and simple, since the nucleon can connect only to a constant vector and scalar meson field. Can one connect these to…

高能物理 - 唯象学 · 物理学 2009-10-28 A. Delfino , Jishnu Dey , Mira Dey , M. Malheiro

I review recent developments in determining the QCD phase diagram by means of lattice simulations. Since the invention of methods to side-step the sign problem a few years ago, a number of additional variants have been proposed, and…

高能物理 - 格点 · 物理学 2007-05-23 Owe Philipsen

The QCD-vacuum is characterized by the Higgs phenomenon for colored scalar fields. In this dual picture the gluons appear as the octet of vector mesons. Also quarks and baryons are identified. Gluon-meson and quark-baryon duality can…

高能物理 - 理论 · 物理学 2009-10-31 Christof Wetterich

Several model calculations of the QCD phase structure at nonzero temperature and density suggest that in certain regions of the phase diagram inhomogeneous condensates are favored over homogeneous ones. In particular, in a two-flavor NJL…

高能物理 - 唯象学 · 物理学 2020-06-04 Michael Buballa , Stefano Carignano

I give a brief overview of our current understanding of the QCD phase diagram at finite temperature and baryon density. I emphasize phase transitions which occur at high density and low temperature (relative to the QCD scale), such as…

高能物理 - 唯象学 · 物理学 2007-05-23 Stephen D. H. Hsu

We investigate the QCD chiral phase transition at high baryon number density within the linear quark meson model for two flavors. The method we employ is based on an exact renormalization group equation for the free energy. Truncated…

高能物理 - 唯象学 · 物理学 2010-02-04 J. Berges , D. -U. Jungnickel , C. Wetterich

In this contribution we revisit simulations of two-color QCD with rooted staggered quarks at finite density, where baryon-number spontaneously breaks and a diquark condensate forms. We thereby pay special attention to simulating outside the…

高能物理 - 格点 · 物理学 2017-01-18 Lukas Holicki , Jonas Wilhelm , Dominik Smith , Björn Wellegehausen , Lorenz von Smekal

We report on new data from additional zero temperature simulations of QCD with 12 flavors. This is a continuation of previous studies using the DBW2 gauge action and naive staggered fermions. With the use of the force gradient integrator…

高能物理 - 格点 · 物理学 2012-03-28 Xiao-Yong Jin , Robert D. Mawhinney

We present an entirely perturbative QCD determination of the critical phase transition flavor number $N^{cr}_{f}$ of QCD. The results obtained are compared with various determinations of $N^{cr}_{f}$ by non-pertrubative methods, including…

高能物理 - 唯象学 · 物理学 2007-05-23 F. N. Ndili

Lattice QCD with heavy quarks reduces to a three-dimensional effective theory of Polyakov loops, which is amenable to series expansion methods. We analyse the effective theory in the cold and dense regime for a general number of colours,…

高能物理 - 格点 · 物理学 2020-01-08 Owe Philipsen , Jonas Scheunert

The chiral phase transition temperature $T_{c}^{0}$ is a fundamental quantity of QCD. To determine this quantity we have performed simulations of (2 + 1)-flavor QCD using the Highly Improved Staggered Quarks (HISQ/tree) action on…

The nuclear liquid-gas transition from a gas of hadrons to a nuclear phase cannot be determined numerically from conventional lattice QCD due to the severe sign problem at large values of the baryon chemical potential. In the strong…

高能物理 - 格点 · 物理学 2023-06-07 Jangho Kim , Pratitee Pattanaik , Wolfgang Unger

Based on the assumption that the QCD phase diagram gives a realistic picture of hadronic and quark matter under different regimes, it is possible to claim that a quark core may be present inside compact objects commonly named hybrid neutron…

核理论 · 物理学 2022-09-28 M. R. Pelicer , D. P. Menezes

We review recent work on the phase structure of QCD at very high baryon density. We introduce the phenomenon of color superconductivity and discuss how the quark masses and chemical potentials determine the structure of the superfluid quark…

核理论 · 物理学 2008-11-26 Thomas Schaefer , Edward Shuryak

We report on a study of QCD thermodynamics with three flavors of quarks, using a Symanzik improved gauge action and the Asqtad O(a^2) improved staggered quark action. Simulations were carried out with lattice spacings 1/4T, 1/6T and 1/8T…

Non-congruence appears to be the most general form of phase transition in cosmic matter and in the laboratory. In terrestrial applications noncongruencemeans coexistence of phases with different chemical composition in systems consisting of…

宇宙学与河外天体物理 · 物理学 2014-04-07 Igor Iosilevskiy

With proper profiles of the scalar potential and the dilaton field, for the first time, the spontaneous chiral symmetry breaking in the vacuum and its restoration at finite temperature are correctly realized in the holographic QCD…

高能物理 - 唯象学 · 物理学 2016-05-11 Kaddour Chelabi , Zhen Fang , Mei Huang , Danning Li , Yue-Liang Wu

We investigate the phase structure of hot and/or dense QCD using the Schwinger-Dyson equation (SDE) with the improved ladder approximation in the Landau gauge. We show that the phase transition from the two-flavor color superconducting…

高能物理 - 唯象学 · 物理学 2016-09-06 Satoshi Takagi

We discuss recent results for the phase transition in finite-temperature QCD from numerical (Monte Carlo) simulations of the lattice-regularized theory. Emphasis is given to the case of two degenerate light-quark flavors. The order of the…

高能物理 - 格点 · 物理学 2011-08-04 Tereza Mendes

We apply a random matrix model to the study of the phase diagram of QCD with two colors, two flavors, and a small quark mass. Although the effects of temperature are only included schematically, this model reproduces most of the ground…

高能物理 - 唯象学 · 物理学 2016-09-06 Benoit Vanderheyden , A. D. Jackson