Probing the Nature of Gravity: Confronting Theory and Experiment in Space (Space Sciences Series of ISSI, 34, Band 34) - Hardcover

 
9781441913616: Probing the Nature of Gravity: Confronting Theory and Experiment in Space (Space Sciences Series of ISSI, 34, Band 34)
Hardcover
ISBN 10: 1441913610 ISBN 13: 9781441913616
Verlag: Springer, 2010

Inhaltsangabe

Observing our Universe and its evolution with ever increasing sensitivity from ground-based or space-borne telescopes is posing great challenges to Fundamental Physics and Astronomy. The remnant cosmic microwave background, as beautifully measured by successive space missions COBE, WMAP, and now PLANCK, provides a unique probe of the very early stages of our Universe. The red-shift of atomic lines in distant galaxies, the dynamics of pulsars, the large scale structure of galaxies, and black holes are a few manifestations of the theory of General Relativity. Yet, today, we understand only 4% of the mass of our Universe, the rest being called dark energy and dark matter, both of unknown origin! A second family of space missions is currently emerging; rather than designing ever more re nedobservationalinstruments,physicistsandengineersseekalsotousethespaceenvironment to perform high-precision tests of the fundamental laws of physics. The technology required for such tests has become available only over the course of the last decades. Clocks of high accuracy are an example. They are based on advances in atomic and laser physics, such as cold atoms, enabling a new generation of highly sensitive quantum sensors for ground and space experiments. Two experiments in space have now tested Einstein’s relativity theory: • Several decades ago, Gravity Probe A con rmed the accuracy of the gravitational red-shift ?5 according to general relativity to a level of 7× 10 [R. F. C. Vessot et al. , Test of Relativistic Gravitation with a Space-Borne Hydrogen Maser, Phys. Rev. Lett. 45, 2081–2084 (1980)].

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This book is the result of an international Workshop on Gravity and the various attempts of checks of the role of General Relativity in Gravity that are based on space data. In its centre stand data on Gravitomagnetism, in particular the results of the Gravity Probe B ‘null-experiment’ that has measured the Lense-Thirring effect in orbit around the Earth, data derived from observation of astrophysical systems as well as from laser ranging of Earth-orbiting satellites. Tests of possible violations of Newton ’s inverse-square law and the equivalence principle are discussed as well as the problem of the constancy of the fundamental physics constants, and constraints on gravitational theory from cosmological observations, Quantum Gravity and Grand Unified Theory. In these respects emphasis is put on the assessment of uncertainty, i.e., to the question as to what extentd high-accuracy measurements are possible in space.

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Verlag
Springer
Erscheinungsdatum
2010
Sprache
Englisch
ISBN 10 
1441913610
ISBN 13 
9781441913616
Einband
Gebundene Ausgabe
Anzahl der Seiten
580
Herausgeber
Everitt C.W.F., Huber M.C.E., Kallenbach R., Schäfer G., Schutz B.F., Treumann R.A.
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9781461426042: Probing the Nature of Gravity: Confronting Theory and Experiment in Space (Space Sciences Series of ISSI, 34, Band 34)

Vorgestellte Ausgabe

ISBN 10:  1461426049 ISBN 13:  9781461426042
Verlag: Springer, 2012
Softcover