The authors obtain a static 5D Einstein-Gauss-Bonnet black hole solution surrounded by modified Chaplygin gas and analyze its thermodynamics, scalar tunneling, and perturbative stability.
Are Chaplygin gases serious contenders to the dark energy throne?
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abstract
We study the implications on both background and perturbation evolution of introducing a Chaplygin gas component in the universe's ingredients. We perform likelihood analyses using wide-ranging, SN1a, CMB and large scale structure observations to assess whether such a component could be a genuine alternative to a cosmological constant. We find that current data favors an adiabatic Chaplygin gas with behavior akin to a cosmological constant.
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gr-qc 1years
2019 1verdicts
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Black holes in Einstein-Gauss-Bonnet gravity with a background of modified Chaplygin gas
The authors obtain a static 5D Einstein-Gauss-Bonnet black hole solution surrounded by modified Chaplygin gas and analyze its thermodynamics, scalar tunneling, and perturbative stability.