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Related papers: The QCD phase diagram for external magnetic fields

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The QCD phase diagram at zero chemical potential and finite temperature subject to an external magnetic field is studied within the three flavor Nambu--Jona-Lasinio (NJL) model and the NJL model with the Polyakov loop (PNJL). A scalar…

High Energy Physics - Phenomenology · Physics 2014-06-25 M. Ferreira , P. Costa , O. Lourenço , T. Frederico , C. Providência

We discuss recent results and future prospects regarding the investigation, by lattice simulations, of the non-perturbative properties of QCD and of its phase diagram in presence of magnetic or chromomagnetic background fields. After a…

High Energy Physics - Lattice · Physics 2015-06-11 Massimo D'Elia

We investigate the deconfining phase transition in full QCD with two flavors of staggered fermions in presence of a constant abelian chromomagnetic field. We find that the deconfinement temperature decreases and eventually goes to zero by…

High Energy Physics - Lattice · Physics 2008-11-26 Paolo Cea , Leonardo Cosmai , Massimo D'Elia

We study the behavior of strongly interacting matter under a strong external magnetic field in the context of chiral quark models that include nonlocal interactions. In particular, we analyze the influence of a constant magnetic field on…

High Energy Physics - Phenomenology · Physics 2018-07-19 D. Gómez Dumm , M. F. Izzo Villafañe , S. Noguera , V. Pagura , N. N. Scoccola

Starting from the temperature dependence of the energy density and pressure from lattice QCD calculation, we extract the temperature dependence of the electric and magnetic condensate near $T_c$. While the magnetic condensate hardly changes…

High Energy Physics - Phenomenology · Physics 2009-11-13 Su Houng Lee , Kenji Morita

We study the phase structure of QCD with three degenerate flavors in the external magnetic fields using highly improved staggered quarks (HISQ). The simulations are performed on $16^3\times 6$ lattice. In order to investigate the quark mass…

High Energy Physics - Lattice · Physics 2019-04-03 Akio Tomiya , Heng-Tong Ding , Xiao-Dan Wang , Yu Zhang , Swagato Mukherjee , Christian Schmidt

The exciting possibility of direct observation of QCD instantons in heavy-ion collisions has recently been proposed by Kharzeev. The underlying phenomenon, known as the chiral magnetic effect, may have been observed recently at RHIC, and a…

High Energy Physics - Lattice · Physics 2010-11-05 M. Abramczyk , T. Blum , G. Petropoulos , R. Zhou

The most recent lattice results on the QCD phase diagram in the presence of a strong magnetic field strongly disagree with results from previous lattice simulations and several model calculations. The most remarkable difference is the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Ana Julia Mizher

We investigate the QCD phase diagram for nonzero background magnetic fields using first-principles lattice simulations. At the physical point (in terms of quark masses), the thermodynamics of this system is controlled by two opposing…

High Energy Physics - Lattice · Physics 2020-01-08 Gergely Endrodi , Matteo Giordano , Sandor D. Katz , Tamas G. Kovacs , Ferenc Pittler

In this work we investigate the effect of an external magnetic field B on the shape of flux tubes in QCD by means of lattice simulations, performed with N_f=2+1 flavors of stout improved dynamical staggered quarks with physical masses.…

High Energy Physics - Lattice · Physics 2018-09-07 Claudio Bonati , Salvatore Calì , Massimo D'Elia , Michele Mesiti , Francesco Negro , Andrea Rucci , Francesco Sanfilippo

We study two-color QCD in an external magnetic backround at finite temperature using the Polyakov-loop extended two-flavor two-color NJL model. At T=0, the chiral condensate is calculated and it is found to increase as a function of the…

High Energy Physics - Phenomenology · Physics 2013-07-12 Jens O. Andersen , Arturo A. Cruz

The finite temperature QCD transition for physical quark masses is a crossover. For smaller quark masses a first-order phase transition is expected. Using Symanzik improved gauge and stout improved fermion action for 2+1 flavour staggered…

High Energy Physics - Lattice · Physics 2008-11-26 G. Endrodi , Z. Fodor , S. D. Katz , K. K. Szabo

The influence of an external static magnetic field (up to 480 mT)on the structural properties of EuTiO$_3$ (ETO) polycrystalline samples was examined by powder XRD at the Elettra synchrotron facilities in the temperature range 100-300K.…

Materials Science · Physics 2021-12-15 P. Pappas , M. Calamiotou , M. Polentarutti , G Bais , A. Bussmann-Holder , E. Liarokapis

We study the physical mechanism of how an external magnetic field influences the QCD quark condensate. Two competing mechanisms are identified, both relying on the interaction between the magnetic field and the low quark modes. While the…

High Energy Physics - Lattice · Physics 2015-06-15 F. Bruckmann , G. Endrodi , T. G. Kovacs

In this proceeding, we discuss the finite-size scaling analysis of the order parameter related to the chiral phase transition in QCD with two massless quarks. We use data obtained in lattice QCD calculations performed with highly improved…

High Energy Physics - Lattice · Physics 2026-04-01 Sabarnya Mitra , Jishnu Goswami , Frithjof Karsch

We consider thermal QCD in the large N_C limit, mainly in 1+1 dimensions. The gauge coupling is only taken into account to minimal order, by projection onto colour singlets. An expression for the free energy, exact as N_C goes to infinity,…

High Energy Physics - Phenomenology · Physics 2016-09-06 Joakim Hallin , David Persson

We study the quark number susceptibility in holographic QCD with a finite chemical potential or under an external magnetic field at finite temperature. We first consider the quark number susceptibility with the chemical potential. We…

High Energy Physics - Theory · Physics 2014-11-20 Youngman Kim , Yoshinori Matsuo , Woojoo Sim , Shingo Takeuchi , Takuya Tsukioka

We study the impact of a finite magnetic field on the deconfinement phase transition for heavy quarks by computing the fluctuations of the Polyakov loops. It is demonstrated that the explicit Z(3) breaking field increases with the magnetic…

High Energy Physics - Phenomenology · Physics 2020-08-27 Pok Man Lo , Michal Szymanski , Chihiro Sasaki , Krzysztof Redlich

In this work we have studied the effects of an external strong magnetic field on the thermodynamic and magnetic properties of a hot QCD matter and then explored these effects on the subsequent hydrodynamic expansion of the said matter once…

High Energy Physics - Theory · Physics 2020-01-08 Shubhalaxmi Rath , Binoy Krishna Patra

We study the behavior of a hadronic matter in the presence of an external magnetic field within the van der Waals hadron resonance gas model, considering both attractive and repulsive interactions among the hadrons. Various thermodynamic…

High Energy Physics - Phenomenology · Physics 2023-11-01 Bhagyarathi Sahoo , Kshitish Kumar Pradhan , Dushmanta Sahu , Raghunath Sahoo
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