Quakes in Solid Quark Stars

Details Quakes in Solid Quark Stars Quakes in Solid Quark Stars

2004-04-28

arxiv.org/abs/astro-ph/0404554v2

Astropart.Phys.22:73-79,2004

Astronomy and Astrophysics

Astrophysics

11 pages, 4 figures (but Fig.3 is lost), a complete version can be obtained by http://vega.bac.pku.edu.cn/~rxxu/publications/i

Scientific paper

10.1016/j.astropartphys.2004.05.

A starquake mechanism for pulsar glitches is developed in the solid quark star model. It is found that the general glitch natures (i.e., the glitch amplitudes and the time intervals) could be reproduced if solid quark matter, with high baryon density but low temperature, has properties of shear modulus \mu = 10^{30~34} erg/cm^3 and critical stress \sigma_c = 10^{18~24} erg/cm^3. The post-glitch behavior may represent a kind of damped oscillations.

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