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Mutual influence of magnetic field decay and thermal evolution of rotational neutron stars

Published online by Cambridge University Press:  20 March 2013

Xia Zhou ,
Miao Kang  and
Na Wang
Xia Zhou
Affiliation:
Xinjiang Astronomical Observatory, CAS, 150, Science 1-Street, Urumqi, 830011, China Key Laboratory of Radio Astronomy, CAS, Urumqi, 830011, China. email: zhouxia@xao.ac.cn, na.wang@xao.ac.cn
Miao Kang
Affiliation:
College of Physics and Electronics, Henan University, Kaifeng, Henan 475004, China email: kangmiao07@gmail.com
Na Wang
Affiliation:
Xinjiang Astronomical Observatory, CAS, 150, Science 1-Street, Urumqi, 830011, China Key Laboratory of Radio Astronomy, CAS, Urumqi, 830011, China. email: zhouxia@xao.ac.cn, na.wang@xao.ac.cn
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Abstract

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The effect of magnetic field decay on the chemical heating and thermal evolution of neutron stars is discussed. Our main goal is to study how chemical heating mechanisms and thermal evolution are changed by field decay and how magnetic field decay is modified by the thermal evolution. We show that the effect of chemical heating is suppressed by the star spin-down through decaying magnetic field at a later stage; magnetic field decay is delayed significantly relative to stars cooling without heating mechanisms; compared to typical chemical heating, the decay of the magnetic field can even cause the temperature to turn down at a later stage.

Keywords

stars: evolutionstars: magnetic fieldsstars: neutronstars: rotationradiation mechanisms: thermal
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S291: Neutron Stars and Pulsars: Challenges and Opportunities after 80 years , August 2012 , pp. 586 - 588
Copyright
Copyright © International Astronomical Union 2013

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