Spin-down of neutron stars by neutrino emission

Details Spin-down of neutron stars by neutrino emission Spin-down of neutron stars by neutrino emission

2009-07-09

arxiv.org/abs/0907.1445v2

Phys. Rev. D, vol. 82, p. 043006 (2010)

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

9 pages, 2 eps figures, RevTeX 4-1. The paper was significantly modified. Now it addresses only the issues of a neutron star s

Scientific paper

10.1103/PhysRevD.82.043006

We study the spin-down of a neutron star during its early stages due to the neutrino emission. The mechanism we consider is the subsequent collisions of the produced neutrinos with the outer shells of the star. We find that this mechanism can indeed slow down the star rotation but only in the first tens of seconds of the core formation, which is when the appropriate conditions of flux and collision rate are met. We find that this mechanism can extract less than 1 % of the star angular momentum, a result which is much less than previously estimated by other authors.

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