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Pulsar Spin-Down by 3P2 Superfluid Neutron with Field Decay |
| LUO Xin-Lian1,2;PENG Qiu-He1,3,4;CHOU Chih-Kang5,6 |
| 1Department of Astronomy, Nanjing University, Nanjing 210093
2Department of Physics, Nanjing University, Nanjing 210093
3Joint Astrophysics Center of Chinese Academy of Sciences-Peking University, Beijing 100871
4The Open Laboratory for Cosmic Ray and High Energy Astrophysics, Chinese Academy of Sciences, Beijing 100039
5Institute of Astronomy and Department of Physics, National Central University, Taipei 32054
6National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 |
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| Cite this article: |
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LUO Xin-Lian, PENG Qiu-He, CHOU Chih-Kang 2003 Chin. Phys. Lett. 20 173-176 |
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Abstract To describe pulsar spin-down, we present a simple combined torque model that takes into account both the standard magnetic dipole radiation and the electromagnetic radiation from the 3P2 superfluid vortex neutrons inside neutron star. Using an ordinary exponential model for the magnetic field decay, we derive an analytical formulae for pulsar evolution tracks. The pulsar evolution on the P-P diagram is quite different from that of the standard magnetic dipole radiation model, especially when the superfluid torque or field decay becomes dominant.
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| Keywords:
97.60.Gb
97.60.Jd
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Published: 01 January 2003
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