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Gravitation and Inertia
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Einstein Geometrodynamics and Inertia: The Initial-Value Problem in Einstein Geometroynamics as mentioned in this paper and the Gravitomagnetic Field and its Measurement.Abstract:
PrefaceChart of Main Topics1A First Tour12Einstein Geometrodynamics133Tests of Einstein Geometrodynamics874Cosmology, Standard Models, and Homogeneous Rotating Models1855The Initial-Value Problem in Einstein Geometrodynamics2696The Gravitomagnetic Field and Its Measurement3157Some Highlights of the Past and a Summary of Geometrodynamics and Inertia384Mathematical Appendix403Symbols and Notations437Author Index445Subject Index of Mathematical Appendix455Subject Index461Fundamental and Astronomical Constants and Units493read more
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A test of general relativity using radio links with the Cassini spacecraft
TL;DR: A measurement of the frequency shift of radio photons to and from the Cassini spacecraft as they passed near the Sun agrees with the predictions of standard general relativity with a sensitivity that approaches the level at which, theoretically, deviations are expected in some cosmological models.
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A confirmation of the general relativistic prediction of the Lense–Thirring effect
Ignazio Ciufolini,E. C. Pavlis +1 more
TL;DR: A measurement of the Lense–Thirring effect on two Earth satellites is reported: it is 99 ± 5 per cent of the value predicted by general relativity; the uncertainty of this measurement includes all known random and systematic errors, but the total ± 10 per cent uncertainty is allowed to include underestimated and unknown sources of error.
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Ring-laser tests of fundamental physics and geophysics
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Bose-Einstein Condensation in Microgravity
T. van Zoest,Naceur Gaaloul,Y. Singh,Holger Ahlers,Waldemar Herr,Stephan Seidel,Wolfgang Ertmer,Ernst M. Rasel,M. Eckart,Endre Kajari,Steven E. Arnold,G. Nandi,Wolfgang P. Schleich,Reinhold Walser,A. Vogel,Klaus Sengstock,Kai Bongs,W. Lewoczko-Adamczyk,Max Schiemangk,Thilo Schuldt,Achim Peters,Thorben Könemann,Hauke Müntinga,Claus Lämmerzahl,Hansjörg Dittus,Tilo Steinmetz,Theodor W. Hänsch,Jakob Reichel +27 more
TL;DR: The preparation and observation of a Bose-Einstein condensate during free fall in a 146-meter-tall evacuated drop tower is reported and represents a promising source for matter-wave interferometry to test the universality of free fall with quantum matter.
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Torsion gravity: A Reappraisal
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TL;DR: The role played by torsion in gravitation is critically reviewed in this paper, where a comprehensive presentation of the teleparallel equivalent of general relativity is made, and a possible solution to this conceptual question is reviewed.