Results 231 to 240 of about 5,789 (259)

Collective Motional Temperature. [PDF]

ACS Omega
Abdelhafiz S, Jazayeri AM, Dogariu A.
europepmc   +1 more source

Women in quantum. [PDF]

Commun Eng
Li Y, Mather M, Metje N, Cacciapuoti AS, Criscuolo L, d'Avossa L, Muramatsu M, Maragkou M.   +7 more
europepmc   +1 more source

Correction to Temperature and Bekenstein-Hawking Entropy of Kiselev Black Hole Surrounded by Quintessence. [PDF]

Entropy (Basel)
Wang C.
europepmc   +1 more source

Black-Hole Models in Loop Quantum Gravity [PDF]

Universe, 2020
Dynamical black-hole scenarios have been developed in loop quantum gravity in various ways, combining results from mini and midisuperspace models. In the past, the underlying geometry of space-time has often been expressed in terms of line elements with metric components that differ from the classical solutions of general relativity, motivated by ...
Martin Bojowald, Bojowald Martin
exaly   +4 more sources

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Elementary Model for Quantum Gravity

Physical Review D, 1970
An elementary model of the gravitational field in the presence of external sources is studied. This model has positivity requirements, invariance under transformations, and nonlinear equations of motion, all of which are analogs of similar properties in the full theory.
John R. Klauder, Erik W. Aslaksen
openaire   +1 more source

Inequivalence of mimetic gravity with models of loop quantum gravity

Physical Review D
Certain versions of mimetic gravity have recently been claimed to present potential covariant theories of canonically modified spherically symmetric gravity, motivated by ingredients from loop quantum gravity. If such an equivalence were to hold, it would demonstrate general covariance of a large class of models considered in loop quantum gravity ...
Erick Iván Duque Gonzalez, Martin Bojowald   +1 more
exaly   +3 more sources

RELATIONAL SPACETIME, MODEL CATEGORIES AND QUANTUM GRAVITY

International Journal of Modern Physics A, 2009
We propose a mathematically concrete way of modelling the suggestion that in quantum gravity the spacetime manifold disappears. We replace the underlying point set topological space with several apparently different models, which are actually related by pairs of adjoint functors from rational homotopy theory.
openaire   +2 more sources