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Related papers: Quark Matter in a Strong Magnetic Background

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We study the behavior of strongly interacting matter under a uniform intense external magnetic field in the context of nonlocal extensions of the Polyakov-Nambu-Jona-Lasinio model. A detailed description of the formalism is presented,…

High Energy Physics - Phenomenology · Physics 2017-12-22 D. Gomez Dumm , M. F. Izzo Villafañe , S. Noguera , V. P. Pagura , N. N. Scoccola

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

We study consistently the effects of magnetic field on hot and dense matter. In particular, we look for differences that arise due to assumptions that reproduce the conditions produced in particle collisions or astrophysical scenarios, such…

Nuclear Theory · Physics 2023-09-28 J. Peterson , P. Costa , R. Kumar , V. Dexheimer , R. Negreiros , C. Providencia

We compute the magnetic susceptibility of the quark condensate and the polarization of quarks at zero temperature and in a uniform magnetic background. Our theoretical framework consists of two chiral models that allow to treat…

High Energy Physics - Phenomenology · Physics 2011-07-06 Marco Frasca , Marco Ruggieri

We review the current status of the research on effective nonlocal NJL-like chiral quark models with separable interactions, focusing on the application of this approach to the description of the properties of hadronic and quark matter…

High Energy Physics - Phenomenology · Physics 2021-01-26 D. Gomez Dumm , J. P. Carlomagno , N. N. Scoccola

I review recent results obtained within chiral effective models, on the phase structure of hot quark matter in a strong magnetic background. After a brief introduction, I focus on the results obtained within two chiral models improved with…

High Energy Physics - Phenomenology · Physics 2011-09-06 Marco Ruggieri

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)…

High Energy Physics - Phenomenology · Physics 2013-07-10 Andre Felipe Garcia , Marcus Benghi Pinto

We review the influence of a magnetic background on the phase diagram of strong interactions and how the chiral and deconfining transitions can be affected. First we summarize results for both transitions obtained in the framework of the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Eduardo S. Fraga

Various thermodynamic quantities and the phase diagram of strongly interacting hot and dense magnetized quark matter are obtained with the $ 2 $-flavour Nambu-Jona-Lasinio model with Polyakov loop considering finite values of the anomalous…

Nuclear Theory · Physics 2020-08-27 Nilanjan Chaudhuri , Snigdha Ghosh , Sourav Sarkar , Pradip Roy

The chiral model is used to describe quark matter under strong magnetic fields and compared to other models, the MIT bag model and the two flavors Nambu-Jona-Lasinio model. The effect of vacuum corrections due to the magnetic field is…

Nuclear Theory · Physics 2011-05-13 Aziz Rabhi , Constança Providência

In the present work we are interested in understanding various properties of quark matter subject to strong magnetic fields described by the Nambu-Jona-Lasinio model with Polyakov loop. We start by analysing the differences arising from two…

We study the behavior of strongly interacting matter under an external constant magnetic field in the context of nonlocal chiral quark models within the mean field approximation. We find that at zero temperature the behavior of the quark…

High Energy Physics - Phenomenology · Physics 2017-02-22 V. P. Pagura , D. Gomez Dumm , S. Noguera , N. N. Scoccola

In this paper, the deconfinement and chiral restoration transitions in strong magnetic field is realized at zero temperature in the Polyakov Nambu$-$Jona-Lasinio model. We provide the thermodynamic treatment to mimic the deconfinement phase…

High Energy Physics - Phenomenology · Physics 2022-04-14 Yuan Wang , Xin-Jian Wen

The behavior of the quark condensates at zero chemical potential and finite temperature subject to an external magnetic field is studied within the three flavor Nambu--Jona-Lasinio model with Polyakov loop (PNJL) and its extension, the…

High Energy Physics - Phenomenology · Physics 2014-01-10 Márcio Ferreira , Pedro Costa , Débora P. Menezes , Constança Providência , Norberto Scoccola

Effects of a uniform (electro-) magnetic background field are investigated in the two-flavor nonlocal Polyakov-loop extended Nambu--Jona-Lasinio (PNJL) model. Temperature-dependences of the chiral order-parameter and the Polyakov-loop are…

High Energy Physics - Phenomenology · Physics 2011-07-05 Kouji Kashiwa

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…

High Energy Physics - Phenomenology · Physics 2008-11-26 Eduardo S. Fraga , Ana Júlia Mizher

The deconfinement and chiral phase transitions are studied in the context of the electrized quark matter at finite temperature in the two-flavor Polyakov-Nambu--Jona-Lasinio model. Using the mean field approximation and an electric field…

High Energy Physics - Phenomenology · Physics 2020-02-14 William R. Tavares , Ricardo L. S. Farias , Sidney S. Avancini

The behavior of $\pi^0$ meson properties in the presence of a uniform external magnetic field is studied in the context of a nonlocal extension of the Polyakov-Nambu-Jona-Lasinio model. The analysis includes the $\pi^0$ mass, the effective…

High Energy Physics - Phenomenology · Physics 2020-07-08 D. Gómez Dumm , M. F. Izzo Villafañe , N. N. Scoccola

We study the screening of four-quark interaction by the ring diagram in an effective chiral quark model. This entails a medium dependent coupling which naturally reduces the chiral transition temperature in a class of models, and is capable…

High Energy Physics - Phenomenology · Physics 2021-07-13 Pok Man Lo , Michal Szymanski , Krzysztof Redlich , Chihiro Sasaki

We investigate the combined finite-size and thermo-magnetic effects on the properties of the quark matter, in the context of the two-flavored Nambu--Jona-Lasinio model. In particular, by using the mean-field approximation and the Schwinger…

High Energy Physics - Phenomenology · Physics 2023-07-18 Luciano M. Abreu , Emerson B. S. Corrêa , Elenilson S. Nery
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