Stationary rotating black holes in theories with gravitational Chern-Simons Lagrangian term

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dc.contributor.areaPhysicsen_US
dc.contributor.authorBonora, Loriano
dc.contributor.authorCvitan, Maro
dc.contributor.authorPrester, Predrag Dominis
dc.contributor.authorPallua, Silvio
dc.contributor.authorSmolic, Ivica
dc.date.accessioned2012-12-04T08:54:05Z
dc.date.available2012-12-04T08:54:05Z
dc.date.issued2012-10-15
dc.description34 pagesen_US
dc.description.abstractWe study the effects of introducing purely gravitational Chern-Simons Lagrangian terms in ordinary Einstein gravity on stationary rotating black hole solutions and on the associated thermodynamical properties, in a generic number of dimensions which support these terms (i.e. in D = 4k-1). We analyze the conditions, namely the number of vanishing angular momenta, under which the contributions of the Chern-Simons term to the equations of motion and the black hole entropy vanish. The particular case of a 7-dimensional theory in which a purely gravitational Chern-Simons term is added to the Einstein-Hilbert Lagrangian in D=7 dimensions is investigated in some detail. As we have not been able to find exact analytic solutions in nontrivial cases, we turn to perturbation theory and calculate the first-order perturbative correction to the Myers-Perry metric in the case where all angular momenta are equal. The expansion parameter is a dimensionless combination linear in the Chern-Simons coupling constant and the angular momentum. Corrections to horizon and ergosurface properties, as well as black hole entropy and temperature, are presented.en_US
dc.identifier.urihttps://openscience.sissa.it/handle/1963/6328
dc.language.isoenen_US
dc.miur.area-1en_US
dc.publisherSISSAen_US
dc.relation.ispartofseriesarXiv:1210.4035;
dc.relation.ispartofseriesSISSA;27/2012/EP
dc.titleStationary rotating black holes in theories with gravitational Chern-Simons Lagrangian termen_US
dc.typePreprinten_US
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