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Author |
Anabalon, A.; Astefanesei, D.; Choque, D. |
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Title |
On the thermodynamics of hairy black holes |
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Year |
2015 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
743 |
Issue |
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Pages |
154-159 |
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Abstract |
We investigate the thermodynamics of a general class of exact 4-dimensional asymptotically Anti-de Sitter hairy black hole solutions and show that, for a fixed temperature, there are small and large hairy black holes similar to the Schwarzschild-AdS black hole. The large black holes have positive specific heat and so they can be in equilibrium with a thermal bath of radiation at the Hawking temperature. The relevant thermodynamic quantities are computed by using the Hamiltonian formalism and counterterm method. We explicitly show that there are first order phase transitions similar to the Hawking-Page phase transition. (C) 2015 The Authors. Published by Elsevier B.V. |
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Address |
[Anabalon, Andres] Univ Adolfo Ibanez, Fac Artes Liberales, Dept Ciencias, Vina Del Mar, Chile, Email: brst1010123@gmail.com |
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Elsevier Science Bv |
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English |
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0370-2693 |
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Notes |
WOS:000352147500025 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
487 |
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Author |
Anabalon, A.; Astefanesei, D.; Choque, D. |
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Title |
Hairy AdS solitons |
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Year |
2016 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
762 |
Issue |
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Pages |
80-85 |
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Keywords |
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Abstract |
We construct exact hairy AdS soliton solutions in Einstein-dilaton gravity theory. We examine their thermodynamic properties and discuss the role of these solutions for the existence of first order phase transitions for hairy black holes. The negative energy density associated to hairy AdS solitons can be interpreted as the Casimir energy that is generated in the dual filed theory when the fermions are antiperiodic on the compact coordinate. (C) 2016 Published by Elsevier B.V. |
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Address |
[Anabalon, Andres] Univ Adolfo Ibanez, Fac Artes Liberales, Dept Ciencias, Ave Padre Hurtado 750, Vina Del Mar, Chile, Email: andres.anabalon@uai.cl; |
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Publisher |
Elsevier Science Bv |
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English |
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ISSN |
0370-2693 |
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Notes |
WOS:000388473700010 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
705 |
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Author |
Anabalon, A.; Astefanesei, D.; Choque, D.; Martinez, C. |
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Title |
Trace anomaly and counterterms in designer gravity |
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Year |
2016 |
Publication |
Journal Of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
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Issue |
3 |
Pages |
29 pp |
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Keywords |
AdS-CFT Correspondence; Black Holes; Gauge-gravity correspondence |
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Abstract |
We construct concrete counterterms of the Balasubramanian-Kraus type for Einstein-scalar theories with designer gravity boundary conditions in AdS(4), so that the total action is fi nite on-shell and satisfy a well de fi ned variational principle. We focus on scalar fi elds with the conformal mass m(2) = -2l(-2) and show that the holographic mass matches the Hamiltonian mass for any boundary conditions. We compute the trace anomaly of the dual fi eld theory in the generic case, as well as when there exist logarithmic branches of non-linear origin. As expected, the anomaly vanishes for the boundary conditions that are AdS invariant. When the anomaly does not vanish, the dual stress tensor describes a thermal gas with an equation of state related to the boundary conditions of the scalar fi eld. In the case of a vanishing anomaly, we recover the dual theory of a massless thermal gas. As an application of the formalism, we consider a general family of exact hairy black hole solutions that, for some particular values of the parameters in the moduli potential, contains solutions of four-dimensional gauged N = 8 supergravity and its omega-deformation. Using the AdS/CFT duality dictionary, they correspond to triple trace deformations of the dual fi eld theory. |
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Address |
[Anabalon, Andres] Univ Adolfo Ibanez, Fac Artes Liberales, Dept Ciencias, Av Padre Hurtado 750, Vina Del Mar, Chile, Email: andres.anabalon@uai.cl; |
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Springer |
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English |
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ISSN |
1029-8479 |
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Notes |
WOS:000375316900002 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
618 |
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