From Classical Theory to Quantum Gravity

While it has been generally accepted for decades that general relativity and quantum theory are inconsistent, and that therefore general relativity must yield to a new theory of gravity compatible with quantum principles, the way to the new theory is still very unclear. A major obstacle is the lack...

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Bibliographic Details
Published inSpace science reviews Vol. 148; no. 1-4; pp. 15 - 23
Main Author Schutz, Bernard F.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.12.2009
Springer Nature B.V
Subjects
Aerospace Technology and Astronautics
Astrophysics and Astroparticles
Experiments
Gravity
Physics
Physics and Astronomy
Planetology
Quantum physics
Quantum theory
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Fundamental physics
Tests of gravitation
Quantum gravity
General relativity
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Summary:While it has been generally accepted for decades that general relativity and quantum theory are inconsistent, and that therefore general relativity must yield to a new theory of gravity compatible with quantum principles, the way to the new theory is still very unclear. A major obstacle is the lack of any experimental indicators as to where general relativity might break down. I speculate on the different ways in which a quantum theory including gravity might emerge from present-day theory and use these speculations to examine a number of promising lines for new experiments.
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ISSN:0038-6308
1572-9672
DOI:10.1007/s11214-009-9575-9