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Related papers: Net baryon-number fluctuations in magnetized quark…

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The net-baryon number fluctuations for three-flavor quark matter are computed within the Polyakov extended Nambu$-$Jona-Lasinio model. Two models with vanishing and nonvanishing vector interactions are considered. While the former predicts…

High Energy Physics - Phenomenology · Physics 2018-08-28 Márcio Ferreira , Pedro Costa , Constança Providência

The magnetized phase diagram for three-flavor quark matter is studied within the Polyakov extended Nambu--Jona-Lasinio model. The order parameters are analyzed with special emphasis on the strange quark condensate. We show that the presence…

High Energy Physics - Phenomenology · Physics 2018-02-07 Márcio Ferreira , Pedro Costa , Constança Providência

The existence and the location of the critical end point (CEP) between the crossover and the first order part of the chiral phase transition in the phase diagram of the strongly interacting matter is a heavily studied area of recent…

High Energy Physics - Phenomenology · Physics 2020-08-07 Gyozo Kovacs , Peter Kovacs

Employing the Polyakov extended Nambu-Jona-Lasinio model, we determine the net-baryon number fluctuations of magnetized three-flavor quark matter. We show that the magnetic field changes the nature of the strange quark transition from…

High Energy Physics - Phenomenology · Physics 2018-10-23 Márcio Ferreira , Pedro Costa , Constança Providência

The critical endpoint (CEP) is a fundamental feature of the Quantum Chromodynamics (QCD) phase diagram, marking the boundary between quark-gluon plasma and hadronic matter. Heavy-ion collision experiments, such as the RHIC Beam Energy Scan,…

High Energy Physics - Phenomenology · Physics 2025-02-05 A. Sarkar , P. Deb , R. Bose

We investigate the phase structure of strongly interacting matter and baryon number fluctuations in the Polyakov loop improved Nambu--Jona-Lasinio (PNJL) model. The calculation shows that both the chiral and deconfinement transitions, as…

High Energy Physics - Phenomenology · Physics 2017-08-29 Guo-yun Shao , Zhan-duo Tang , Xue-yan Gao , Wei-bo He

Effects of an external magnetic field on the fluctuations of quark number, fluctuations and correlations of conserved charges, including baryon number, electric charge and strangeness, are studied in the 2+1 flavor…

High Energy Physics - Phenomenology · Physics 2015-06-16 Wei-jie Fu

We present results on the second-order fluctuations of and correlations among net baryon number, electric charge and strangeness in (2+1)-flavor lattice QCD in the presence of a background magnetic field. Simulations are performed using the…

High Energy Physics - Lattice · Physics 2021-07-14 H. -T. Ding , S. -T. Li , Q. Shi , X. -D. Wang

Firstly we qualitatively analyze the formation of the dip and peak structures of the kurtosis $\kappa \sigma^2$ of net baryon number fluctuation along imagined freeze-out lines and discuss the signature of the existence of the QCD critical…

High Energy Physics - Phenomenology · Physics 2019-03-27 Zhibin Li , Kun Xu , Xinyang Wang , Mei Huang

We study fluctuations of conserved charges including baryon number, electric charge, and strangeness as well as the correlations among these conserved charges in the 2+1 flavor Polyakov--Nambu--Jona-Lasinio model at finite temperature. The…

High Energy Physics - Phenomenology · Physics 2010-04-06 Wei-jie Fu , Yu-xin Liu , Yue-Liang Wu

We study the $T {-} {\mu}$ phase diagram of quark matter under the influence of a strong uniform magnetic field in the framework of a nonlocal extension of the Polyakov Nambu Jona Lasinio model (PNJL). The existence of a critical end point…

High Energy Physics - Phenomenology · Physics 2023-10-10 J. P. Carlomagno , S. A. Ferraris , D. Gómez Dumm , A. G. Grunfeld

Strong transient magnetic fields are generated in non-central relativistic heavy-ion collisions. These fields induce anisotropy within the strongly interacting medium that, in principle, can affect the thermodynamic properties of the…

High Energy Physics - Phenomenology · Physics 2024-04-16 Kangkan Goswami , Dushmanta Sahu , Jayanta Dey , Raghunath Sahoo , Reinhard Stock

The strangeness fluctuation of QGP matter has been investigated in three flavor finite volume Polyakov loop extended Nambu-Jona--Lasinio model. The ratio of fourth order moment to second order moment (kurtosis) and the third order moment to…

High Energy Physics - Phenomenology · Physics 2018-09-26 Paramita Deb , Amal Sarkar , Raghava Varma

In this work we examine possible effects of an external magnetic field in the strongly interacting matter phase diagram. The study is performed using the Polyakov-Nambu-Jona-Lasinio model. Possible consequences of the inverse magnetic…

High Energy Physics - Phenomenology · Physics 2022-09-21 Pedro Costa , Márcio Ferreira , Constança Providência

Two critical end points (CEPs) of the chiral phase transition and the nuclear liquid-gas phase transition show up at finite baryon chemical potential. The kurtosis $\kappa\sigma^2$ of baryon number fluctuation on the $T-\mu_B$ plane is…

High Energy Physics - Phenomenology · Physics 2023-07-25 Kun Xu , Mei Huang

Finite volume effects are studied both with low-momentum cutoff and with momentum discretization in the framework of an (axial)vector meson extended quark-meson model with Polyakov-loop variables. In the momentum cutoff scenario, the CEP…

High Energy Physics - Phenomenology · Physics 2024-01-17 Győző Kovács , Péter Kovács , Pok Man Lo , Krzysztof Redlich , György Wolf

We investigate the impact of a critical end point (CEP) on the experimentally accessible baryon number fluctuations of different orders. By now, its potential location has been constrained fairly accurately within first principles…

High Energy Physics - Phenomenology · Physics 2025-03-03 Wei-jie Fu , Xiaofeng Luo , Jan M. Pawlowski , Fabian Rennecke , Shi Yin

We calculate the quadratic fluctuations of net baryon number, electric charge and strangeness as well as correlations among these conserved charges in (2+1)-flavor lattice QCD at zero chemical potential. Results are obtained using…

The location of the critical end point (CEP) in the QCD phase diagram is determined under different scenarios. The effect of strangeness, isospin/charge asymmetry and an external magnetic field is investigated. The discussion is performed…

High Energy Physics - Phenomenology · Physics 2014-03-27 Pedro Costa , Márcio Ferreira , Hubert Hansen , Débora P. Menezes , Constança Providência

The correlation $\chi^{BQ}_{11}$ and quadratic fluctuations $\chi^B_2,\ \chi^Q_2,\ \chi^T_2$ of baryon number $B$, electric charge $Q$ and temperature $T$ are investigated in a two-flavor Polyakov loop extended Nambu-Jona-Lasinio (PNJL)…

High Energy Physics - Phenomenology · Physics 2025-07-18 Shijun Mao
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