Fast pulsars - Effects of spacetime curvature and rotation on the pulse characteristics

Details Fast pulsars - Effects of spacetime curvature and rotation on the pulse characteristics Fast pulsars - Effects of spacetime curvature and rotation on the pulse characteristics

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...297..413k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 297, Oct. 15, 1985, p. 413-422.

Astronomy and Astrophysics

Astrophysics

10

Equations Of State, Perturbation Theory, Pulsars, Relativity, Space-Time Functions, Neutron Stars, Red Shift, Stability

Scientific paper

The effects of spacetime curvature and rotation on the pulse profile of fast pulsars are studied using a rotationally perturbed spherical metric and a representative choice of the equation of state for neutron star matter. Spacetime curvature is found to produce a divergence in the pulse width and a deamplification of the pulse intensity. Rotation is found to produce an asymmetry in the final pulse profile accompanied by a tilt of the pulse cone axis from its original direction of emission. The astrophysical implications of these results pertaining to the pulse characteristics of fast pulsars are discussed.

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