Results 11 to 20 of about 268,972 (205)

Preferred foliation effects in Quantum General Relativity [PDF]

open access: yesClassical and Quantum Gravity, 2010
We investigate the infrared (IR) effects of Lorentz violating terms in the gravitational sector using functional renormalization group methods similar to Reuter and collaborators.
Alexander Schenkel   +7 more
core   +3 more sources

Quantum Gravity in Everyday Life: General Relativity as an Effective Field Theory

open access: yesLiving Reviews in Relativity, 2004
This article is meant as a summary and introduction to the ideas of effective field theory as applied to gravitational systems, ideas which provide the theoretical foundations for the modern use of general relativity as a theory from which precise ...
Burgess Cliff P.
doaj   +2 more sources

Loop Quantum Gravity

open access: yesLiving Reviews in Relativity, 1998
The problem of finding the quantum theory of the gravitational field, and thus understanding what is quantum spacetime, is still open. One of the most active of the current approaches is loop quantum gravity. Loop quantum gravity is a mathematically well-
Rovelli Carlo
doaj   +2 more sources

Quantum General Relativity

open access: yesCurrent Science, 2015
A. Ashtekar
openaire   +2 more sources

The Confrontation between General Relativity and Experiment

open access: yesLiving Reviews in Relativity, 2001
The status of experimental tests of general relativity and of theoretical frameworks for analysing them are reviewed. Einstein's equivalence principle (EEP) is well supported by experiments such as the Eötvös experiment, tests of special relativity, and ...
Will Clifford
doaj   +2 more sources

Quantum mechanics from general relativity and the quantum Friedmann equation

open access: yesEuropean Physical Journal C: Particles and Fields
We demonstrate that the recently introduced linear equation, reformulating the first Friedmann equation, is the first-order WKB expansion of a quantum cosmological equation.
M. Matone, N. Dimakis
doaj   +3 more sources

The Confrontation between General Relativity and Experiment

open access: yesLiving Reviews in Relativity, 2006
The status of experimental tests of general relativity and of theoretical frameworks for analyzing them is reviewed. Einstein’s equivalence principle (EEP) is well supported by experiments such as the Eötvös experiment, tests of special relativity, and ...
Will Clifford M.
doaj   +2 more sources

Nonlinear optical simulation of the post-Newton Schrödinger equation [PDF]

open access: yesNature Communications
One of the grand open problems of modern physics is the unification of Einstein’s general relativity and quantum mechanics. This challenge has been approached by the greatest physicists but there is still no complete theory and experimental evidence ...
Omer Paz   +3 more
doaj   +2 more sources

Energy conditions in general relativity and quantum field theory [PDF]

open access: yesClassical and quantum gravity, 2020
This review summarizes the current status of the energy conditions in general relativity and quantum field theory. We provide a historical review and a summary of technical results and applications, complemented with a few new derivations and discussions.
Eleni-Alexandra Kontou, Ko Sanders
semanticscholar   +1 more source

Quantum signatures in nonlinear gravitational waves [PDF]

open access: yesQuantum, 2022
The effective quantum field theory description of gravity, despite its non-renormalizability, allows for predictions beyond classical general relativity.
Thiago Guerreiro   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy