2008/12/16 by Nandini Nag, Sutapa Ghosh, Somenath Chakrabarty · 7 citations
Physics and Astronomy · #Astrophysical Phenomena and Observations #Charge density #Electric field #Electron #Formalism (music) #Magnetar #Magnetic field #Outer core #Pulsars and Gravitational Waves Research #State of matter #Statistical Mechanics and Entropy #astro-ph #cond-mat.stat-mech #physics.atom-ph
paper · pdf · doi:10.1016/j.aop.2008.11.003
published in Annals of Physics 324(3), 499-522 (Elsevier BV) · 24 pages REVTEX, Three .eps figures, Accepted for Annals of Physics
arxiv created 2008/12/16 · openalex publication_date 2008/12/26 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The effect of strong quantizing magnetic field on the equation of state of matter at the outer crust region of magnetars is studied. The density of such matter is low enough compared to the matter density at the inner crust or outer core region. Based on the relativistic version of semi-classical Thomas-Fermi-Dirac model in presence of strong quantizing magnetic field a formalism is developed to investigate this specific problem. The equation of state of such low density crustal matter is obtained by replacing the compressed atoms/ions by Wigner-Seitz cells with nonuniform electron density. The results are compared with other possible scenarios. The appearance of Thomas-Fermi induced electric charge within each Wigner-Seitz cell is also discussed.