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Author |
Anabalon, A.; Canfora, F.; Giacomini, A.; Oliva, J. |
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Title |
Black holes with primary hair in gauged N=8 supergravity |
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Year |
2012 |
Publication |
Journal Of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
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Issue |
6 |
Pages |
12 pp |
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Keywords |
Black Holes; Supergravity Models |
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Abstract |
In this paper, we analyze the static solutions for the U(1)(4) consistent truncation of the maximally supersymmetric gauged supergravity in four dimensions. Using a new parametrization of the known solutions it is shown that for fixed charges there exist three Possible black hole configurations according to the pattern of symmetry breaking of the (scalars sector of the) Lagrangian. Namely a black hole without scalar fields, a black hole with a primary hair and a black hole with a secondary hair respectively. This is the first, exact, example of a black hole with a primary scalar hair, where both the black hole and the scalar fields are regular on and outside the horizon. The configurations with secondary and primary hair can be interpreted as a spontaneous symmetry breaking of discrete permutation and reflection symmetries of the action. It is shown that there exist a triple point in the thermodynamic phase space where the three solution coexist. The corresponding phase transitions are discussed and the free energies are written explicitly as function of the thermodynamic coordinates in the uncharged case. In the charged case the free energies of the primary hair and the hairless black hole are also given as functions of the thermodynamic coordinates. |
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Address |
[Anabalon, Andres] Univ Adolfo Ibanez, Fac Ingn & Ciencias, Fac Artes Liberales, Dept Ciencias, Vina Del Mar, Chile, Email: andres.anabalon@uai.cl; |
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Springer |
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English |
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1029-8479 |
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Notes |
WOS:000306416500011 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
233 |
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Author |
Chandia, O.; Vallilo, B.C. |
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Title |
C Ambitwistor pure spinor string in a type II supergravity background |
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Year |
2015 |
Publication |
Journal Of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
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Issue |
6 |
Pages |
15 pp |
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Keywords |
Superstrings and Heterotic Strings; Supergravity Models |
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Abstract |
We construct the ambitwistor pure spinor string in a general type II supergravity background in the semi-classical regime. Almost all supergravity constraints are obtained from nilpotency of the BRST charge and further consistency conditions from additional world-sheet the case of AdS(5) x S (5) background. |
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Address |
[Chandia, Osvaldo] Univ Adolfo Ibanez, Fac Artes Liberales, Dept Ciencias, Fac Ingn & Ciencias, Santiago, Chile, Email: ochandiaq@gmail.com; |
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Springer |
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English |
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1029-8479 |
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Notes |
WOS:000357457000001 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
508 |
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Author |
Chandia, O.; Vallilo, B.C. |
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Title |
On-shell type II supergravity from the ambitwistor pure spinor string |
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Year |
2016 |
Publication |
Classical And Quantum Gravity |
Abbreviated Journal |
Class. Quantum Gravity |
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Volume |
33 |
Issue |
18 |
Pages |
9 pp |
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Keywords |
supergravity models; superstrings; pure spinor string |
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Abstract |
We obtain all the type II supergravity constraints in the pure spinor ambit-wistor string by imposing consistency of local worldsheet gauge symmetries. |
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Address |
[Chandia, Osvaldo] Univ Adolfo Ibanez Diagonal Las Torres, Fac Ingn & Ciencias, Univ Adolfo Ibanez, Dept Ciencias,Fac Artes Liberales, Santiago 2640, Chile, Email: ochandiaq@gmail.com; |
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Iop Publishing Ltd |
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English |
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0264-9381 |
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Notes |
WOS:000383961300003 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
658 |
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