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9 papers · 2 filters
Persistent Homology and String Vacua
Michele Cirafici
We use methods from topological data analysis to study the topological features of certain distributions of string vacua. Topological data analysis is a multi-scale approach used t…
Radiating black holes in Einstein-Maxwell-dilaton theory and cosmic censorship violation
Pedro Aniceto, Paolo Pani, Jorge V. Rocha
We construct exact, time-dependent, black hole solutions of Einstein-Maxwell-dilaton theory with arbitrary dilaton coupling, . For this theory arises as the four-dimension…
Sequencing BPS Spectra
Sergei Gukov, Satoshi Nawata, Ingmar Saberi +2
This paper provides both a detailed study of color-dependence of link homologies, as realized in physics as certain spaces of BPS states, and a broad study of the behavior of BPS s…
Nernst branes with Lifshitz asymptotics in N=2 gauged supergravity
G. L. Cardoso, M. Haack, S. Nampuri
We discuss two classes of non-supersymmetric interpolating solutions in N=2, D=4 gauged supergravity, that flow from either a z=2 Lifshitz geometry or a conformal AdS background to…
Thermodynamics of rotating thin shells in the BTZ spacetime
José P. S. Lemos, Francisco J. Lopes, Masato Minamitsuji +1
We investigate the thermodynamic equilibrium states of a rotating thin shell, i.e., a ring, in a (2+1)-dimensional spacetime with a negative cosmological constant. The inner and ou…
A Calogero formulation for four-dimensional black-hole micro states
Olaf Lechtenfeld, Suresh Nampuri
We extract the leading-order entropy of a four-dimensional extremal black hole in ungauged supergravity by formulating the CFT that is holographically dual to it…