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Considering the strong field approximation we compute the hard thermal loop pressure at finite temperature and chemical potential of hot and dense deconfined QCD matter in lowest Landau level in one-loop order. We consider the anisotropic…

High Energy Physics - Phenomenology · Physics 2020-09-16 Bithika Karmakar , Najmul Haque , Munshi G Mustafa

We investigate the quark-meson model in a magnetic field using the exact functional renormalization group equation beyond the local-potential approximation. Our truncation of the effective action involves anisotropic wave function…

High Energy Physics - Phenomenology · Physics 2014-03-14 Kazuhiko Kamikado , Takuya Kanazawa

We have estimated parallel and perpendicular components of electrical conductivity and shear viscosity of quark matter at finite magnetic field and temperature by using their one-loop Kubo expressions in the framework of Nambu--Jona-Lasinio…

High Energy Physics - Phenomenology · Physics 2023-06-28 Aritra Bandyopadhyay , Snigdha Ghosh , Ricardo L. S. Farias , Sabyasachi Ghosh

Thermodynamic properties of strange quark matter in strong magnetic fields $H$ up to $10^{20}$ G are considered within the MIT bag model at zero temperature implying the constraints of total baryon number conservation, charge neutrality and…

High Energy Physics - Phenomenology · Physics 2015-02-02 A. A. Isayev , J. Yang

The effect of anomalous magnetic moment of quarks on thermodynamic properties of the chiral condensate is studied, using of a two-flavor Nambu--Jona-Lasinio model at finite temperature $T$, chemical potential $\mu$, and in the presence of a…

High Energy Physics - Phenomenology · Physics 2016-01-20 Sh. Fayazbakhsh , N. Sadooghi

A possibility of formation of static dual scalar and pseudoscalar density wave condensates in dense quark matter is considered for the Nambu--Jona-Lasinio model in an external magnetic field. Within a mean-field approximation, the effective…

High Energy Physics - Phenomenology · Physics 2014-11-21 I. E. Frolov , V. Ch. Zhukovsky , K. G. Klimenko

We investigate the vacuum structure of dense quark matter in strong magnetic fields at finite temperature and densities in a 3 flavor Nambu Jona Lasinio (NJL) model including the Kobayashi-Maskawa-t'Hooft (KMT) determinant term using a…

High Energy Physics - Phenomenology · Physics 2019-03-27 Aman Abhishek , Hiranmaya Mishra

The properties of the neutral pion in quark matter under the influence of an external magnetic field are studied. The effects of the anomalous magnetic moments (AMM) of the quarks at finite density is considered. The inclusion of the AMM…

High Energy Physics - Phenomenology · Physics 2023-12-22 R. M. Aguirre

Dilepton production rate (DPR) from hot and dense quark matter is studied in the presence of an arbitrary external magnetic field using the 2-flavour Nambu--Jona-Lasinio (NJL) model. The anomalous magnetic moment (AMM) of the quarks is…

Nuclear Theory · Physics 2020-05-13 Snigdha Ghosh , Nilanjan Chaudhuri , Sourav Sarkar , Pradip Roy

Magneto-acoustic investigations of the frustrated triangular-lattice antiferromagnet Cs2CuCl4 were performed for the longitudinal modes c11 and c33 in magnetic fields along the a-axis. The temperature dependence of the sound velocity at…

Strongly Correlated Electrons · Physics 2016-09-21 P. T. Cong , L. Postulka , B. Wolf , N. van Well , F. Ritter , W. Assmus , C. Krellner , M. Lang

In the framework of Nambu--Jona-Lasinio model beyond mean field approximation, the effects of pion fluctuations on (inverse) magnetic catalysis and magnetic susceptibility are studied. The negative magnetic susceptibility at low temperature…

High Energy Physics - Phenomenology · Physics 2024-09-10 Jie Mei , Rui Wen , Shijun Mao , Mei Huang , Kun Xu

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 use a three-flavor Nambu--Jona-Lasinio model to study the thermodynamics of strange quark matter under a strong magnetic field. The model Lagrangian features flavor SU(3) four-quark interactions and six-quark interactions that break the…

High Energy Physics - Phenomenology · Physics 2021-11-11 William R. Tavares , Ricardo L. S. Farias , Sidney S. Avancini , Varese S. Timóteo , Marcus B. Pinto , Gastão Krein

In high density quark matter under a strong external magnetic field, possible phases are investigated by using the two-flavor Nambu-Jona-Lasinio model with tensor-type four-point interaction between quarks, as well as the axial-vector-type…

High Energy Physics - Phenomenology · Physics 2017-02-01 Yasuhiko Tsue , Joao da Providencia , Constanca Providencia , Masatoshi Yamamura , Henrik Bohr

The QCD phase transitions are investigated in the presence of an external magnetic field in the Polyakov improved Nambu--Jona-Lasinio (PNJL) model. We detailedly analyze that how the filling of multiple Landau levels by light (up and down)…

High Energy Physics - Phenomenology · Physics 2019-07-24 Guo-yun Shao , Wei-bo He , Xue-yan Gao

Considering the density wave of scalar and pseudoscalar condensates, we study the response of quark matter to a weak external magnetic field. In an external magnetic field, the energy spectrum of the lowest Landau level becomes asymmetric…

High Energy Physics - Phenomenology · Physics 2015-12-16 Ryo Yoshiike , Kazuya Nishiyama , Toshitaka Tatsumi

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…

High Energy Physics - Phenomenology · Physics 2026-05-25 Xiang-Qiong Liu , Sheng-Qin Feng

In this paper we explore the chiral phase transition in QCD within the three-flavor Nambu-Jona-Lasinio (NJL) model with a negative coupling constant in the isoscalar axial-vector channel, which is associated with a polarized…

High Energy Physics - Phenomenology · Physics 2015-04-16 Lang Yu , Jos Van Doorsselaere , Mei Huang

The occupied Landau levels of strange quark matter are investigated in the framework of the SU(3) NJL model with a conventional coupling and a magnetic-field dependent coupling respectively. At lower density, the Landau levels are mainly…

High Energy Physics - Phenomenology · Physics 2016-07-12 Xin-Jian Wen , Jun-Jun Liang

We study the influence of strong external magnetic fields on gluonic and fermionic observables in the QCD vacuum at zero and nonzero temperatures, via lattice simulations with N_f=1+1+1 staggered quarks of physical masses. The gluonic…

High Energy Physics - Lattice · Physics 2015-06-15 G. S. Bali , F. Bruckmann , G. Endrodi , F. Gruber , A. Schaefer