Entropic N-bound and Maximal Mass Conjecture Violations in Four Dimensional Taub-Bolt(NUT)-dS Spacetimes

Abstract

We show that the class of four-dimensional Taub-Bolt(NUT) spacetimes with positive cosmological constant for some values of NUT charges are stable and have entropies that are greater than that of de Sitter spacetime, in violation of the entropic N-bound conjecture. We also show that the maximal mass conjecture, which states "any asymptotically dS spacetime with mass greater than dS has a cosmological singularity", can be violated as well. Our calculation of conserved mass and entropy is based on an extension of the path integral formulation to asymptotically de Sitter spacetimes.

37 pages, 22 figures, 3 tables, few typos corrected, version to appear in Nucl. Phys. B

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Cited by in corpus (29)

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• Excluding Black Hole Firewalls with Extreme Cosmic Censorship
• Accelerating Universes and String Theory
• Critical Phenomena of Born-Infeld-de Sitter Black Holes in Cavities
• On the Thermodynamics of NUT charged spaces
• New Multiply Nutty Spacetimes
• Effective thermodynamical system of Schwarzschild-de Sitter black holes from Rényi statistics
• Eguchi-Hanson Solitons in Odd Dimensions
• Hidden Conformal Symmetry of Kerr-Bolt Spacetimes
• New Taub-NUT-Reissner-Nordström spaces in higher dimensions
• Black strings with negative cosmological constant: inclusion of electric charge and rotation
• Semiclassical strings in AdS_5 x S^5 and scalar operators in N=4 SYM theory
• Hidden Conformal Symmetry of Extremal Kerr-Bolt Spacetimes
• Cosmological horizons, Noether charges and entropy
• Entropy and Mass Bounds of Kerr-de Sitter Spacetimes
• The Disjointed Thermodynamics of Rotating Black Holes With a NUT Twist
• Black Holes in de Sitter Space: Masses, Energies and Entropy Bounds
• A Review of the N-bound and the Maximal Mass Conjectures Using NUT-Charged dS Spacetimes
• Consistent mass formulas for higher even-dimensional Taub-NUT spacetimes and their AdS counterparts
• On Black Ring with a Positive Cosmological Constant
• On the structure of asymptotically de Sitter and anti-de Sitter spaces
• Consistent mass formulas for higher even-dimensional Reissner-Nordström-NUT-AdS spacetimes
• Holography in Three-dimensional Kerr-de Sitter Space with a Gravitational Chern-Simons Term
• Cardy-Verlinde Formula in Taub-NUT/Bolt-(A)dS space
• Thermodynamic Volume of Cosmological Solitons
• On the Carroll-Chen Model
• 3-dimensional holographic trace anomaly from AdS/CFT correspondence