Quasi-sinusoidal oscillations of the angular velocity of pulsars

Details Quasi-sinusoidal oscillations of the angular velocity of pulsars Quasi-sinusoidal oscillations of the angular velocity of pulsars

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap.....38..145s&link_type=abstract

Astrophysics, Volume 38, Issue 2, pp.145-151

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We study the oscillations of the angular velocity of pulsars, obtaining an equation for the angular velocity and its derivative taking account of the curvature of vortices. We show that this equation has a quasisinusoidal solution and find the period of these oscillations. We show that the estimates for the value of the periods for various models of neutron stars give quantities of the order of tens of days, which is in agreement with the observations of the quasi-periodic oscillations and fluctuations of the angular velocity of pulsars.

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