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Related papers: Zero Temperature Chiral Phase Transition in (2+1)-…

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We investigate the chiral phase transition at finite temperature (T) in colour SU(Nc=3) Quantum Chromodynamics (QCD) with six species of fermions (Nf=6) in the fundamental representation by using lattice QCD with improved staggered…

High Energy Physics - Lattice · Physics 2012-03-30 Kohtaroh Miura , Maria Paola Lombardo , Elisabetta Pallante

In this paper we report on lattice simulations of SU(3)-QCD with non-zero chiral chemical potential. We focus on the influence of the chiral chemical potential on the confinement/deconfinement phase transition and the breaking/restoration…

High Energy Physics - Lattice · Physics 2016-03-02 V. V. Braguta , E. -M. Ilgenfritz , A. Yu. Kotov , B. Petersson , S. A. Skinderev

In connection with massless two-flavour QCD, we analyse the chiral symmetry restoring phase transition using three distinct gluon-quark vertices and two different assumptions about the long-range part of the quark-quark interaction. In each…

Nuclear Theory · Physics 2014-08-29 Fei Gao , Si-Xue Qin , Yu-Xin Liu , Craig D. Roberts , Sebastian M. Schmidt

We study chiral phase transition and confinement of matter fields in (2+1)-dimensional U(1) gauge theory of massless Dirac fermions and scalar bosons. The vanishing scalar boson mass, $r=0$, defines a quantum critical point between the…

Strongly Correlated Electrons · Physics 2010-09-07 Guo-Zhu Liu , Wei Li , Geng Cheng

In order for clarifying what are the essential thermal effects that govern the chiral phase transition at finite temperature, we investigate, in the real-time thermal QED, the consequences of the Hard-Thermal-Loop (HTL) resummed…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yuko Fueki , Hisao Nakkagawa , Hiroshi Yokota , Koji Yoshida

We report on the first lattice calculation of the QCD phase transition using chiral fermions at physical values of the quark masses. This calculation uses 2+1 quark flavors, spatial volumes between (4 fm$)^3$ and (11 fm$)^3$ and…

Within gauge/gravity duality, we study the class of four dimensional CFTs with chiral anomaly described by Einstein-Maxwell-Chern-Simons theory in five dimensions. In particular we determine the phase diagram at finite temperature, chemical…

High Energy Physics - Theory · Physics 2016-07-28 Martin Ammon , Julian Leiber , Rodrigo P. Macedo

We study the underlying topology of gauge fields in 2+1 flavor QCD with domain wall fermions on lattices of size $32^3\times 8$, at and immediately above the chiral crossover transition. Using valence overlap fermions with exact index…

High Energy Physics - Lattice · Physics 2019-06-14 Rasmus N. Larsen , Sayantan Sharma , Edward Shuryak

We use the two-flavor Linear Sigma Model with quarks as an effective description of QCD to investigate the nature of the chiral phase transition at finite baryon chemical potential and zero temperature. We work at one-loop order to set up…

High Energy Physics - Phenomenology · Physics 2026-04-23 Alejandro Ayala , Bruno El-Bennich , Ricardo L. S. Farias , Luis A. Hernández , Bruno S. Lopes , Luis C. Parra L. , Renato Zamora

We discuss the topological phenomena in the QCD-like theories with variable number of fundamental $N_f$ or adjoint $N_a$ fermions, focusing on the temperatures at or above the critical value $T_c$ of chiral symmetry restoration. Nonzero…

High Energy Physics - Phenomenology · Physics 2012-08-10 Edward Shuryak , Tin Sulejmanpasic

Two aspects of the QCD phase diagrams are studied in the limit of a large number of colors: at zero temperature and nonzero density the (non)existence of nuclear matter, and at zero density and nonzero temperature the chiral phase…

High Energy Physics - Phenomenology · Physics 2011-06-06 Francesco Giacosa

The critical temperature is computed for N_f = 2 dynamical flavors of nonperturbatively improved Wilson fermions. The new simulations are performed on lattices 40^3 x 14 with lattice spacing and pion mass about 0.08 fm and 200 MeV,…

High Energy Physics - Lattice · Physics 2011-02-23 V. G. Bornyakov , R. Horsley , Y. Nakamura , M. I. Polikarpov , P. Rakow , G. Schierholz

Two-dimensional QED with $N$ flavor fermions is solved at zero and finite temperature with arbitrary fermion masses to explore QCD physics such as chiral condensate and string tension. The problem is reduced to solving a Schr\"odinger…

High Energy Physics - Theory · Physics 2007-05-23 Y. Hosotani , R. Rodriguez , J. E. Hetrick , S. Iso

At zero temperature and density, the nature of the chiral phase transition in QED$_3$ with $\textit{N}_{f}$ massless fermion flavors is investigated. To this end, in Landau gauge, we numerically solve the coupled Dyson-Schwinger equations…

High Energy Physics - Phenomenology · Physics 2014-08-28 Pei-lin Yin , Zhu-fang Cui , Hong-tao Feng , Hong-shi Zong

We analyze the finite temperature phase diagram of QCD with fermions in the adjoint representation. The simulations performed with four dynamical Majorana fermions, which is equivalent to two Dirac fermions, show that the deconfinement and…

High Energy Physics - Lattice · Physics 2009-10-31 F. Karsch , M. Lütgemeier

We investigate the thermal QCD transition with two flavors of maximally twisted mass fermions for a set of pion masses, 300 MeV \textless $m_\pi$ \textless 500 MeV, and lattice spacings $a$ \textless 0.09 fm. We determine the…

High Energy Physics - Lattice · Physics 2013-05-15 F. Burger , E. -M. Ilgenfritz , M. Kirchner , M. P. Lombardo , M. Muller-Preussker , O. Philipsen , C. Pinke , C. Urbach , L. Zeidlewicz

The mass sensitivity of the chiral phase transition of QCD with and without axial $U_A(1)$-symmetry breaking at vanishing and finite quark chemical potential is investigated. To focus on the low-energy sector of QCD, a quark-meson model…

High Energy Physics - Phenomenology · Physics 2019-04-17 Simon Resch , Fabian Rennecke , Bernd-Jochen Schaefer

We present updated studies on the chiral phase transition in $N_{f}=2+1$ QCD. Simulations have been carried out using Highly Improved Staggered Quarks (HISQ) on lattices with temporal extent $N_{\tau} = 6$ at vanishing baryon chemical…

High Energy Physics - Lattice · Physics 2017-02-07 Sheng-Tai Li , Heng-Tong Ding

The chiral phase transition of the quark sector of QCD is investigated within the Hamiltonian approach in Coulomb gauge. Finite temperature T is introduced by compactifying one spatial dimension, which makes all thermodynamical quantities…

High Energy Physics - Lattice · Physics 2018-08-29 Markus Quandt , Ehsan Ebadati , Hugo Reinhardt , Peter Vastag

We investigate the thermal QCD phase transition and its scaling properties on the lattice. The simulations are performed with $N_f=2+1+1$ Wilson twisted mass fermions at pion masses from physical up to heavy quark regime. We introduce a…

High Energy Physics - Lattice · Physics 2022-04-12 A. Yu. Kotov , M. P. Lombardo , A. Trunin