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19942026
most citedMolten salts database for energy applications

369 citations

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18 papers · 1 filter

gr-qc2026

Penrose-Rindler equation and horizon thermodynamics of stationary black holes

Diego Fernández-Silvestre, Alberto Guilabert, Pedro Bargueño +1

Black holes are the natural arena for exploring the interplay between gravity and thermodynamics. Although the association between black hole mechanics and black hole thermodynamic…

gr-qc2024★ 3 cited

Physical reinterpretation of heat capacity discontinuities for static black holes

Pedro Bargueño, Diego Fernández-Silvestre, Juan A. Miralles

A generic characteristic of self-gravitating systems is that they have a negative heat capacity. An important example of this behavior is given by the Schwarzschild black hole. The…

gr-qc2023★ 1 cited

Deterministic evolution of gauge fields through a singularity

Martina Adamo, Flavio Mercati

The nature of gravitational singularities has been questioned by some recent research, challenging the notion that classical determinism breaks down at these points. By allowing fo…

gr-qc2023★ 7 cited

A new perspective on Doubly Special Relativity

J. M. Carmona, J. L. Cortés, J. J. Relancio +1

Doubly special relativity considers a deformation of the special relativistic kinematics parametrized by a high-energy scale, in such a way that it preserves a relativity principle…

gr-qc2023★ 5 cited

A de Broglie-Bohm Model of Pure Shape Dynamics: -body system

Pooya Farokhi, Tim Koslowski, Pedro Naranjo +1

We provide the construction of a de Broglie-Bohm model of the -body system within the framework of Pure Shape Dynamics. The equation of state of the curve in shape space is work…

gr-qc2022★ 1 cited

Quantum Euler angles and agency-dependent spacetime

Giovanni Amelino-Camelia, Vittorio D'Esposito, Giuseppe Fabiano +3

Quantum gravity is expected to introduce quantum aspects into the description of reference frames. Here we set the stage for exploring how quantum gravity induced deformations of c…

gr-qc2022★ 6 cited

Upon the horizon's verge: Thermal particle creation between and approaching horizons

Diego Fernández-Silvestre, Michael R. R. Good, Eric V. Linder

Quantum particle creation from spacetime horizons, or accelerating boundaries in the dynamical Casimir effect, can have an equilibrium, or thermal, distribution. Using an accelerat…

gr-qc2022★ 9 cited

Time delays, choice of energy-momentum variables and relative locality in doubly special relativity

J. M. Carmona, J. L. Cortés, J. J. Relancio +1

Doubly Special Relativity (DSR) theories consider (quantum-gravity motivated) deformations of the symmetries of special relativity compatible with a relativity principle. The exist…

gr-qc2022★ 7 cited

Space-time thermodynamics in momentum dependent geometries

G. Chirco, S. Liberati, J. J. Relancio

A possible way to capture the effects of quantum gravity in spacetime at a mesoscopic scale, for relatively low energies, is through an energy dependent metric, such that particles…

gr-qc2021★ 19 cited

Interplay between spacetime curvature, speed of light and quantum deformations of relativistic symmetries

Angel Ballesteros, Giulia Gubitosi, Flavio Mercati

Recent work showed that -deformations can describe the quantum deformation of several relativistic models that have been proposed in the context of quantum gravity phenomenology…

gr-qc2021★ 13 cited

Through a Black Hole Singularity

Flavio Mercati, David Sloan

We show that the Kantowski--Sachs model of a Schwarzschild black hole interior can be slightly generalized in order to accommodate spatial metrics of different orientations, and in…

gr-qc2021★ 11 cited

Exploring black holes as particle accelerators: hoop-radius, target particles and escaping conditions

Stefano Liberati, Christian Pfeifer, José Javier Relancio

The possibility that rotating black holes could be natural particle accelerators has been subject of intense debate. While it appears that for extremal Kerr black holes arbitrarily…

gr-qc2019★ 3 cited

Life of cosmological perturbations in MDR models, and the prospect of travelling primordial gravitational waves

Giulia Gubitosi, Joao Magueijo

We follow the life of a generic primordial perturbation mode (scalar or tensor) subject to modified dispersion relations (MDR), as its proper wavelength is stretched by expansion.…

gr-qc2019★ 16 cited

Relativistic compatibility of the interacting -Poincaré model and implications for the relative locality framework

Giulia Gubitosi, Sjors Heefer

We investigate the relativistic properties under boost transformations of the -Poincaré model with multiple causally connected interactions, both at the level of its formulation…

gr-qc2015★ 14 cited

Towards (3+1) gravity through Drinfel'd doubles with cosmological constant

Angel Ballesteros, Francisco J. Herranz, Pedro Naranjo

We present the generalisation to (3+1) dimensions of a quantum deformation of the (2+1) (Anti)-de Sitter and Poincaré Lie algebras that is compatible with the conditions imposed by…

gr-qc2014★ 5 cited

From Lorentzian to Galilean (2+1) gravity: Drinfel'd doubles, quantisation and noncommutative spacetimes

Angel Ballesteros, Francisco J. Herranz, Pedro Naranjo

It is shown that the canonical classical -matrix arising from the Drinfel'd double structure underlying the two-fold centrally extended (2+1) Galilean and Newton-Hooke Lie algeb…

gr-qc2010★ 33 cited

Three-dimensional gravity and Drinfel'd doubles: spacetimes and symmetries from quantum deformations

Angel Ballesteros, Francisco J. Herranz, Catherine Meusburger

We show how the constant curvature spacetimes of 3d gravity and the associated symmetry algebras can be derived from a single quantum deformation of the 3d Lorentz algebra sl(2,R).…

gr-qc2008★ 44 cited

Bertrand spacetimes as Kepler/oscillator potentials

Angel Ballesteros, Alberto Enciso, Francisco J. Herranz +1

Perlick's classification of (3+1)-dimensional spherically symmetric and static spacetimes (\cal M,η=-1/V dt^2+g) for which the classical Bertrand theorem holds [Perlick V Class. Qu…