Probing strange stars and color superconductivity by r-mode instabilities in millisecond pulsars

Details Probing strange stars and color superconductivity by r-mode instabilities in millisecond pulsars Probing strange stars and color superconductivity by r-mode instabilities in millisecond pulsars

1999-12-20

arxiv.org/abs/astro-ph/9912418v2

Phys.Rev.Lett. 85 (2000) 10-13

Astronomy and Astrophysics

Astrophysics

5 pages (REVTeX), incl. 3 figures. Version to appear in Phys Rev Lett. Extra viscosity contributions added in Fig.2. Other min

Scientific paper

10.1103/PhysRevLett.85.10

R-mode instabilities in rapidly rotating quark matter stars (strange stars) lead to specific signatures in the evolution of pulsars with periods below 2.5 msec, and may explain the apparent lack of very rapid pulsars. Existing data seem consistent with pulsars being strange stars with a normal quark matter phase surrounded by an insulating nuclear crust. In contrast, quark stars in a color-flavor-locked (CFL) phase are ruled out. Two-flavor color superconductivity (2SC) is marginally inconsistent with pulsar data.

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