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We investigate the chiral magnetic effect by lattice QCD with a chiral chemical potential. In a chirally imbalanced matter, we obtain a finite induced current along an external magnetic field. We analyze the dependence on the lattice…

高能物理 - 格点 · 物理学 2011-12-21 Arata Yamamoto

We study properties of neutral and charged mesons in strong magnetic fields |eB|>> Lambda_QCD^2 with Lambda_QCD being the QCD renormalization scale. Assuming long-range interactions, we examine magnetic-field dependences of various…

高能物理 - 唯象学 · 物理学 2016-04-07 Koichi Hattori , Toru Kojo , Nan Su

We investigate the finite-temperature quantum chromodynamics (QCD) on a rotating lattice with $N_f=2+1$ staggered fermions and the projective plane boundary condition. We observe a negative rotational rigidity (defined in the main text) and…

高能物理 - 格点 · 物理学 2023-07-13 Ji-Chong Yang , Xu-Guang Huang

I summarize recent lattice results on QCD at finite temperatures and densities. Studies on the nature of the QCD transition at the physical point, continuum extra polations of thermodynamic quantities, and new calculations of hadronic…

高能物理 - 唯象学 · 物理学 2009-11-07 Kazuyuki Kanaya

We will report on the status of a new large scale calculation of thermodynamic quantities in QCD with light up and down quarks corresponding to an almost physical light quark mass value and a heavier strange quark mass. These calculations…

高能物理 - 格点 · 物理学 2009-11-11 C. Schmidt

The presence of a strong magnetic background can modify the nature and the dynamics of the chiral phase transition at finite temperature. We compute the modified effective potential in the linear sigma model with quarks to one loop in the…

高能物理 - 唯象学 · 物理学 2008-11-26 Eduardo S. Fraga , Ana Júlia Mizher

In the recently years it has been argued that spectators in heavy ion collisions are responsible for creating a strong magnetic field that could play an important role in the QCD phase transition. In this work we use the SU(2)…

高能物理 - 唯象学 · 物理学 2013-07-10 Andre Felipe Garcia , Marcus Benghi Pinto

We study the thermal phase transition in colour SU(3) Quantum Chromodynamics (QCD) with a variable number of fermions in the fundamental representation by using lattice Monte-Carlo simulations. We collect the (pseudo) critical couplings for…

高能物理 - 格点 · 物理学 2013-03-19 Kohtaroh Miura , Maria Paola Lombardo

We investigate the magnetized QCD matter and chiral phase transition in a (2 {\th} 1)-flavor Nambu-Jona-Lasinio (NJL) model at finite temperature and chemical potential by comparing the contributions from the tensor spin polarization (TSP)…

高能物理 - 唯象学 · 物理学 2023-04-12 Yi-Wei Qiu , Sheng-Qin Feng

We simulate lattice QCD with an irrelevant chiral 4-fermion interaction which allows us to simulate at zero quark mass. This enables us to study the finite-temperature chiral-symmetry-restoring phase transition for 2 massless quark…

高能物理 - 格点 · 物理学 2007-05-23 J. B. Kogut , D. K. Sinclair

We present a status report on a new high statistics study of the high temperature transition in full QCD at zero chemical potential. Our simulations use both improved asqtad and p4 staggered quarks on lattices with a temporal extent N_t = 8…

高能物理 - 格点 · 物理学 2019-08-14 Carleton DeTar , Rajan Gupta

The effect of an external magnetic field in QCD phase diagram, namely, in the the location of the critical end point (CEP) is investigated. Using the 2+1 flavor Nambu--Jona-Lasinio model with Polyakov loop, it is shown that when an external…

高能物理 - 唯象学 · 物理学 2015-09-04 Márcio Ferreira , Pedro Costa , Constança Providência

In this article, we study dynamic chiral symmetry breaking at zero temperature, finite chemical potential and external magnetic field with massless NJL model. We have proposed a mathematical method to classify phases in phase diagram of…

高能物理 - 唯象学 · 物理学 2018-02-27 Song Shi , Juan Liu , Zhu-fang Cui

We discuss a recent approach for overcoming the poor convergence of the perturbative expansion for the thermodynamic potential of QCD. This approach is based on self-consistent approximations which allow for a gauge-invariant and manifestly…

高能物理 - 唯象学 · 物理学 2009-11-07 J. -P. Blaizot , E. Iancu , A. Rebhan

SU($3$) Polyakov linear-sigma model (PLSM) is systematically implemented to characterize the quark-hadron phase structure and to determine various thermodynamic quantities and magnetization of the QCD matter. In mean-field approximation,…

高能物理 - 格点 · 物理学 2018-03-30 Abdel Nasser Tawfik , Abdel Magied Diab , M. T. Hussein

The improved quark mass density-dependent (IQMDD) model, which has been successfully used to describe the properties of both infinite nuclear matter and finite nuclei, is applied to investigate the properties of quark deconfinement phase…

核理论 · 物理学 2015-06-05 Chen Wu , Wei-Liang Qian , Yu-Gang Ma , Guo-Qiang Zhang , Sanjeev Kumar

The application of a magnetic field transverse to the easy axis, Ising direction in the quasi-two-dimensional Kagome staircase magnet, Co3V2O8, induces three quantum phase transitions at low temperatures, ultimately producing a novel high…

强关联电子 · 物理学 2015-11-10 K. Fritsch , G. Ehlers , K. C. Rule , K. Habicht , M. Ramazanoglu , H. A. Dabkowska , B. D. Gaulin

Based on the two-flavor NJL model with Tsallis non-extensive statistics, this work explores the QCD phase structure and thermodynamic properties under strong magnetic fields and chiral imbalance. The Tsallis parameter $q$ captures…

高能物理 - 唯象学 · 物理学 2026-05-25 Xiang-Qiong Liu , Sheng-Qin Feng

The properties of ultrathin films have been studied within the framework of Ising model and the method of random-field interactions. It is shown that the Curie temperature is inversely proportional to the number of layers. Critical exponent…

介观与纳米尺度物理 · 物理学 2011-11-21 Yury Kirienko , Leonid Afremov

I review recent progress in the determination of the QCD phase diagram at finite temperature, in investigations of the nature of the transition or crossover from the hadronic phase to the quark-gluon plasma phase and in the determination of…

高能物理 - 格点 · 物理学 2008-11-26 Urs M. Heller
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