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15 papers · 2 filters
Regularity of the stress-energy tensor for extremal Reissner-Nordstrom black holes
S. Farese
We calculate the expectation values of the stress-energy tensor for both a massless minimally-coupled and dilaton-coupled 2D field propagating on an extremal Reissner-Nordstrom bla…
Quantum black holes and holography
Alessandro Fabbri
It is technically difficult (if not impossible) to write down and solve self-consistently the semiclassical Einstein equations in the case of evaporating black holes. These difficu…
Static quantum corrections to the Schwarzschild spacetime
A. Fabbri, S. Farese, J. Navarro-Salas +2
We study static quantum corrections of the Schwarzschild metric in the Boulware vacuum state. Due to the absence of a complete analytic expression for the full semiclassical Einste…
Single twistor description of massless, massive, AdS, and other interacting particles
Itzhak Bars, Moises Picon
The Penrose transform between twistors and the phase space of massless particles is generalized from the massless case to an assortment of other particle dynamical systems, includi…
Twistor Transform in d Dimensions and a Unifying Role for Twistors
Itzhak Bars, Moises Picon
Twistors in four dimensions d=4 have provided a convenient description of massless particles with any spin, and this led to remarkable computational techniques in Yang-Mills field…
Semiclassical zero-temperature corrections to Schwarzschild spacetime and holography
A. Fabbri, S. Farese, J. Navarro-Salas +2
Motivated by the quest for black holes in AdS braneworlds, and in particular by the holographic conjecture relating 5D classical bulk solutions with 4D quantum corrected ones, we n…