Generalized Uncertainty Principle, Black Holes, and White Dwarfs: A Tale of Two Infinities

Abstract

It is often argued that quantum gravitational correction to the Heisenberg's uncertainty principle leads to, among other things, a black hole remnant with finite temperature. However, such a generalized uncertainty principle also seemingly removes the Chandrasekhar limit, i.e., it permits white dwarfs to be arbitrarily large, which is at odds with astrophysical observations. We show that this problem can be resolved if the parameter in the generalized uncertainty principle is negative. We also discuss the Planck scale physics of such a model.

9 pages, 6 figures; version accepted by JCAP

References in corpus (7)

• Universality of Quantum Gravity Corrections
• The type Ia supernova SNLS-03D3bb from a super-Chandrasekhar-mass white dwarf star
• Constraining the generalized uncertainty principle with the gravitational wave event GW150914
• Generalized Uncertainty Principle: Implications for Black Hole Complementarity
• Analysis of White Dwarfs with Strange-Matter Cores
• White dwarfs as test objects of Lorentz violations
• Effects of the Generalized Uncertainty Principle on Compact Stars

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