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7 papers · 2 filters
Black hole collision with a scalar particle in three dimensional anti-de Sitter spacetime
Vitor Cardoso, Jose' P. S. Lemos
We study the collision between a BTZ black hole and a test particle coupled to a scalar field. We compute the power spectrum, the energy radiated and the plunging waveforms for thi…
Warped Solitonic Deformations and Propagation of Black Holes in 5D Vacuum Gravity
Sergiu I. Vacaru, D. Singleton
In this paper we use the anholonomic frames method to construct exact solutions for vacuum 5D gravity with metrics having off-diagonal components. The solutions are in general anis…
Conformal Orbifold Partition Functions from Topologically Massive Gauge Theory
P. Castelo Ferreira, I. I. Kogan, R. J. Szabo
We continue the development of the topological membrane approach to open and unoriented string theories. We study orbifolds of topologically massive gauge theory defined on the geo…
Magnetic strings in anti-de Sitter General Relativity
Oscar J. C. Dias, Jose' P. S. Lemos
We obtain spacetimes generated by static and spinning magnetic string sources in Einstein Relativity with negative cosmological constant. Since the spacetime is asymptotically a cy…
Ellipsoidal, Cylindrical, Bipolar and Toroidal Wormholes in 5D Gravity
Sergiu I. Vacaru, D. Singleton
In this paper we construct and analyze new classes of wormhole and flux tube-like solutions for the 5D vacuum Einstein equations. These 5D solutions possess generic local anisotrop…
Static and rotating electrically charged black holes in three-dimensional Brans-Dicke gravity theories
Oscar J. C. Dias, Jose' P. S. Lemos
We obtain static and rotating electrically charged black holes of a Einstein-Maxwell-Dilaton theory of the Brans-Dicke type in (2+1)-dimensions. The theory is specified by three fi…