Effect of the anomalous magnetic moment of quarks on the phase structure and mesonic properties in the NJL model

N Chaudhuri, S Ghosh, S Sarkar, P Roy - Physical Review D, 2019 - APS
Employing a field dependent three-momentum cutoff regularization technique, we study the
phase structure and mesonic masses using the 2-flavor Nambu–Jona Lasinio model at finite …

Shear viscosity of hadronic matter at finite temperature and magnetic field

R Ghosh, N Haque - Physical Review D, 2022 - APS
We calculate the transport coefficient of hadronic matter in the presence of temperature and
magnetic field using the linear sigma model. In the relaxation time approximation, we …

Properties of neutral mesons in a hot and magnetized quark matter

S Fayazbakhsh, S Sadeghian, N Sadooghi - Physical Review D—Particles …, 2012 - APS
The properties of noninteracting σ and π 0 mesons are studied at finite temperature,
chemical potential, and in the presence of a constant magnetic field. To do this, the energy …

Weak decay constant of neutral pions in a hot and magnetized quark matter

S Fayazbakhsh, N Sadooghi - Physical Review D—Particles, Fields, Gravitation …, 2013 - APS
The directional weak decay constants of neutral pions are determined at finite temperature
T, chemical potential μ and in the presence of a constant magnetic field B. To do this, we first …

Thermal pions at a finite isospin chemical potential

M Loewe, C Villavicencio - Physical Review D, 2003 - APS
The density corrections, in terms of the isospin chemical potential μ I, to the mass of the
pions are studied in the framework of the SU (2) low-energy effective chiral Lagrangian. The …

Thermal pion masses in the second phase:

M Loewe, C Villavicencio - Physical Review D—Particles, Fields, Gravitation …, 2004 - APS
Density and thermal corrections to the mass of the pions are studied in the framework of the
SU (2) low-energy effective chiral lagrangian, in terms of the isospin chemical potential μ I …

Mass and spectral function of scalar and pseudoscalar mesons in a hot and chirally imbalanced medium using the two-flavor NJL model

S Ghosh, N Chaudhuri, S Sarkar, P Roy - Physical Review D, 2024 - APS
We explore the properties of neutral mesons within the context of a chirally imbalanced
medium, employing the two-flavor Nambu–Jona-Lasinio model. The temperature …

Mass spectra and decay of mesons under strong external magnetic field

S Yang, M **, D Hou - Chinese Physics C, 2022 - iopscience.iop.org
We study the mass spectra and decay process of σ and mesons under a strong external
magnetic field. To achieve this goal, we deduce the thermodynamic potential in a two-flavor …

Bose–Einstein condensation and chiral phase transition in linear sigma model

S Shu, JR Li - Journal of Physics G: Nuclear and Particle Physics, 2005 - iopscience.iop.org
With the linear sigma model, we have studied Bose–Einstein condensation and the chiral
phase transition in the chiral limit for an interacting pion system. A μ–T phase diagram …

Chemical nonequilibrium for interacting bosons: Applications to the pion gas

D Fernández-Fraile, A Gomez Nicola - Physical Review D—Particles, Fields …, 2009 - APS
We consider an interacting pion gas in a stage of the system evolution where thermal but not
chemical equilibrium has been reached, ie, for temperatures between thermal and chemical …