General Relativistic Effects on the Ohmic Decay of Crustal Magnetic Fields in Neutron Stars | Zendy

Sujan Sengupta | Zendy

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General Relativistic Effects on the Ohmic Decay of Crustal Magnetic Fields in Neutron Stars

Author(s) -

Sujan Sengupta

Publication year - 1997

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/310601

Subject(s) - neutron star , physics , magnetic field , stars , astrophysics , curvature , quantum electrodynamics , gravitation , gravitational field , nuclear physics , astronomy , quantum mechanics , geometry , mathematics

The ohmic decay of magnetic fields confined within the crust of neutron starsis considered by incorporating the effect of space-time curvature produced bythe intense gravitational field of the star. It is shown that generalrelativistic effect reduces the magnetic field decay rate substaintially andspecially at the late time of the evolution the decay rate decreases by severalorders of magnitude when compared with the case without the relativisticeffect.Comment: 14 pages, two eps figures included, uses AAS LATEX macros v4.0. Accepted for publication in the Astrophysical Journal Letter

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