In d-dimensional spacetime, strange quark stars gain stability with increasing dimension for ranges of central density, with the mass maximum marking the onset of radial instability, and Newtonian stability holds for adiabatic index at or above 2(d-2)/(d-1).
Naked singularities in higher dimensional inhomogeneous dust collapse
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abstract
We investigate the occurrence and nature of a naked singularity in the gravitational collapse of an inhomogeneous dust cloud described by a non self-similar higher dimensional Tolman spacetime. The necessary condition for the formation of a naked singularity or a black hole is obtained. The naked singularities are found to be gravitationally strong in the sense of Tipler and provide another example that violates the cosmic censorship conjecture.
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gr-qc 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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Extra dimensions' influence on the equilibrium and radial stability of strange quark stars
In d-dimensional spacetime, strange quark stars gain stability with increasing dimension for ranges of central density, with the mass maximum marking the onset of radial instability, and Newtonian stability holds for adiabatic index at or above 2(d-2)/(d-1).