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230 papers · 1 filter
Canonical Quantization and Constraint Algebra of Weyl-Invariant Gravity in a Conformal Gauge: Emergence of a Geometric Cosmological Term
Jorge Meza-Domínguez, Tonatiuh Matos
We present the canonical quantization of Weyl-invariant gravity in a specific conformal gauge. Fixing the scale factor as yields an effective geometric cosmologic…
GUP-corrected black holes: Thermodynamic properties, evaporation time and shadow constraint from EHT Observations of M87* and Sgr A*
H. Chen, S. -H. Dong, E. Maghsoodi +4
In this manuscript, we implement the generalized uncertainty principle (GUP) with linear and quadratic moment for Schwarzschild black hole metric in order to study the influence of…
Remarks on electrical Penrose process for magnetized Reissner-Nordström black hole
A. Baez, Nora Breton, I. Cabrera-Munguia
The energy extraction from a magnetized Reissner-Nordström black hole is analyzed within the framework of the electric Penrose mechanism. The presence of an external magnetic field…
Hadronic lensing
Fabrizio Canfora, Cristóbal Corral, Borja Diez
We introduce an analytic approach to study gravitational lensing in the presence of a distribution of hadrons. The situation is analogous to the propagation of photons in a medium…
One-dimensional subspaces of the Chiral Equations
I. A. Sarmiento-Alvarado, Petra Wiederhold, Tonatiuh Matos
In this work we find solutions of the ()-dimensional Einstein Field Equations (EFE) with commuting Killing vectors in vacuum. In the presence of Killing vectors, the E…
Flat subspaces of the chiral equations
I. A. Sarmiento-Alvarado, P. Wiederhold, T. Matos
In this work, we introduce a method for finding exact solutions to the vacuum Einstein field equations in higher dimensions from a given solution to the chiral equation. When consi…