IUCAA Preprints

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Subject: search.filters.subject.Equation of state

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    Rapidly rotating strange stars for a new equation of state of strange quark matter
    (2000-12-18) Bombaci, Ignazio; Thampan, A. V.; Datta, Bhaskar
    For a new equation of state of strange quark matter, we construct equilibrium sequences of rapidly rotating strange stars in general relativity. The sequences are the normal and supramassive evolutionary sequences of constant rest mass. We also calculate equilibrium sequences for a constant value of Ω corresponding to the most rapidly rotating pulsar PSR 1937 +21. In addition to this, we calculate the radius of the marginally stable orbit and its dependence on Ω, relevant for modeling of kilo–Hertz quasi–periodic oscillations in X–ray binaries.
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    On relativistic models of strange stars
    (2006-01-01) Tikekar, R.; Jotania, Kanti
    The superdense stars with mass to size ratio greater than 0.3 are expected to be made up of strange matter. The ansatz prescrbing ge- ometry of a 3-paraboloid immersed in 4-dimensional Euclidean space for the 3-space of the interior spacetime of superdense star is shown to provide two parameter family of physically viable relativistic models of strange stars. The compact stellar con gurations with mass to size ratio greater than 0.3 are likely to admit only strange star interpretation.