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Chiral Properties of QCD Vacuum in Magnetars- A Nambu-Jona-Lasinio Model with Semi-Classical Approximation
Sutapa Ghosh, Soma Mandal, Somenath Chakrabarty
The breaking of chiral symmetry of light quarks at zero temperature in presence of strong quantizing magnetic fiels is studied using Nambu-Jona-Lasinio (NJL) model with Thomas-Ferm…
Chiral Symmetry Breaking in Presence of Strong Quantizing Magnetic Fields- A Nambu-Jona-Lasino Model with Semi-Classical Approximation
Sutapa Ghosh, Soma Mandal, Somenath Chakrabarty
The breaking of chiral symmetry of light quarks at zero temperature in presence of strong quantizing magnetic field is studied using Nambu-Jona-Lasinio (NJL) model with Thomas-Ferm…
Collapse/Flattening of Nucleonic Bags in Ultra-Strong Magnetic Field
Soma Mandal, Somenath Chakrabarty
It is shown explicitly using MIT bag model that in presence of ultra-strong magnetic fields, a nucleon either flattens or collapses in the direction transverse to the external magn…
Electrons as Quasi-Bosons in Strong Magnetic Fields and the Stability of Magnetars
Soma Mandal, Somenath Chakrabarty
Following the recent ideas of Dryzek, Kato, Muñoz and Singleton \cite{R1} (henceforth we call this paper as R1), that the composite system consisting of an electron along with its…
Pauli Paramagnetism of Neutron Star Matter and the Upper Limit for Neutron Star Magnetic Fields
Soma Mandal, Somenath Chakrabarty
A relativistic version of Pauli paramagnetism for system inside a strongly magnetized neutron star has been developed. An analytical expressions for the saturation value of…
On The Problem with Only Zeroth Landau Level Occupancy of Electrons / Protons in Strongly Magnetized Neutron Star Matter in -equilibrium Condition- The Role of Anomalous Magnetic Moments
Sutapa Ghosh, Soma Mandal, Somenath Chakrabarty
It is shown explicitly that if only the zeroth Landau level is occupied by electrons in strongly magnetized neutron star matter in -equilibrium condition, then both the proton a…