Pion Mass Modification in presence of external magnetic field

In this work, the self energies of \(\pi^0\) and \(\pi^{\pm}\) up to one loop order have been calculated in the limit of weak external magnetic field. The effective masses are explicitly dependent on the magnetic field which are modified significantly for the pseudoscalar coupling due to weak field...

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Published in:arXiv.org 2018-06
Main Authors: Adhya, S P, Mandal, M, Biswas, S, Roy, P K
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Language:English
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Coupling
Heavy ions
Ionic collisions
Magnetic fields
Mesons
Neutron stars
Pions
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Mandal, M
Biswas, S
Roy, P K
description In this work, the self energies of \(\pi^0\) and \(\pi^{\pm}\) up to one loop order have been calculated in the limit of weak external magnetic field. The effective masses are explicitly dependent on the magnetic field which are modified significantly for the pseudoscalar coupling due to weak field approximation of the external field. On the other hand, for the pseudovector coupling, there is a modest increment in the effective masses of the pions. These theoretical developments are relevant for the study of the phenomenological aspect of mesons in the context of neutron stars as well as heavy ion collisions.
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subjects Coupling
Heavy ions
Ionic collisions
Magnetic fields
Mesons
Neutron stars
Pions
title Pion Mass Modification in presence of external magnetic field
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