Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Caldarelli, Marco M."'
The AdS/Ricci-flat (AdS/RF) correspondence is a map between families of asymptotically locally AdS solutions on a torus and families of asymptotically flat spacetimes on a sphere. The aim of this work is to perturbatively extend this map to general A
Externí odkaz:
http://arxiv.org/abs/1802.06085
Planar AdS black holes with axionic charge have finite DC conductivity due to momentum relaxation. We obtain a new family of exact asymptotically AdS$_4$ black branes with scalar hair, carrying magnetic and axion charge, and we study the thermodynami
Externí odkaz:
http://arxiv.org/abs/1612.07214
Autor:
Caldarelli, Marco M.
Introductory lectures notes on cosmology, aimed at master students in physics and based on a course held at Milano University (in Italian).
Comment: 66 pages, 14 figures, in Italian
Comment: 66 pages, 14 figures, in Italian
Externí odkaz:
http://arxiv.org/abs/1611.09227
Publikováno v:
JHEP 04(2014)071
We present a comprehensive analysis of the AdS/Ricci-flat correspondence, a map between a class of asymptotically locally AdS spacetimes and a class of Ricci-flat spacetimes. We provide a detailed derivation of the map, discuss a number of extensions
Externí odkaz:
http://arxiv.org/abs/1312.7874
We consider four dimensional stationary and axially symmetric spacetimes for conformally coupled scalar-tensor theories. We show that, in analogy to the Lewis-Papapetrou problem in General Relativity (GR), the theory at hand can be recast in an analo
Externí odkaz:
http://arxiv.org/abs/1311.1192
A general class of axionic and electrically charged black holes for a self-interacting scalar field nonminimally coupled to Einstein gravity with a negative cosmological constant is presented. These solutions are the first examples of black holes wit
Externí odkaz:
http://arxiv.org/abs/1307.5063
Publikováno v:
Phys. Rev. D 87, 061502(R) (2013)
We show that for every asymptotically AdS solution compactified on a torus there is a corresponding Ricci-flat solution obtained by replacing the torus by a sphere, performing a Weyl rescaling of the metric and appropriately analytically continuing t
Externí odkaz:
http://arxiv.org/abs/1211.2815
Autor:
Caldarelli, Marco M., Leigh, Robert G., Petkou, Anastasios C., Petropoulos, P. Marios, Pozzoli, Valentina, Siampos, Konstadinos
In view of the recent interest in reproducing holographically various properties of conformal fluids, we review the issue of vorticity in the context of AdS/CFT. Three-dimensional fluids with vorticity require four-dimensional bulk geometries with ei
Externí odkaz:
http://arxiv.org/abs/1206.4351
Static, charged black holes in the presence of a negative cosmological constant and with a planar horizon are found in four dimensions. The solutions have scalar secondary hair. We claim that these constitute the planar version of the Martinez-Tronco
Externí odkaz:
http://arxiv.org/abs/1205.4025
Starting from a metric Ansatz permitting a weak version of Birkhoff's theorem we find static black hole solutions including matter in the form of free scalar and p-form fields, with and without a cosmological constant \Lambda. Single p-form matter fi
Externí odkaz:
http://arxiv.org/abs/1202.4458