Estimated timescale in which uniform rotation of neutron star is enforced has been changed from the order of seconds to the order of thousands of seconds.
"(...) At birth, a neutron star is differentially rotating,
but as the neutron star cools, shear viscosity, resulting from
neutrino diffusion, aided by convective and turbulent motions and
possibly by the winding-up of magnetic field lines, enforces
uniform rotation. At present, it is difficult to accurately
compute the timescale in which uniform is enforced, but it is
estimated to be of the
order of seconds
[2
]. (...)"
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Rotating Stars in Relativity
Nikolaos Stergioulas Publication No. 1998-8 (Amendment 3/31 Aug 2001) |