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Thermodynamic instability of doubly spinning black objects

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Astefanesei,  Dumitru
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Rodriguez,  Maria J.
Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

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Theisen,  Stefan
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1003.2421
(Preprint), 582KB

JHEP2010_046.pdf
(Any fulltext), 760KB

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Citation

Astefanesei, D., Rodriguez, M. J., & Theisen, S. (2010). Thermodynamic instability of doubly spinning black objects. Journal of High Energy Physics, 2010(8), 1-26. doi:10.1007/JHEP08(2010)046.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-69F0-5
Abstract
We investigate the thermodynamic stability of neutral black objects with (at least) two angular momenta. We use the quasilocal formalism to compute the grand canonical potential and show that the doubly spinning black ring is thermodynamically unstable. We consider the thermodynamic instabilities of ultra-spinning black objects and point out a subtle relation between the microcanonical and grand canonical ensembles. We also find the location of the black string/membrane phases of doubly spinning black objects.