Results 1 to 10 of about 66,332 (273)

Recent Experimental Tests of Special Relativity

, 2005
We review our recent Michelson-Morley (MM) and Kennedy-Thorndike (KT) experiment, which tests Lorentz invariance in the photon sector, and report first results of our ongoing atomic clock test of Lorentz invariance in the matter sector.
A. Bauch, A. Brillet, A. Einstein, A.A. Michelson, A.P. Lightman, A.V. Kostelecky, C. Braxmaier, C. Salomon, D. Bear, D. Colladay, D. Colladay, D. Hils, D.F. Phillips, D.J. Fixsen, F. Cané, G. Saathoff, H. Marion, H. Müller, H. Müller, H. Müller, H.E. Ives, H.P. Robertson, Kostelecky, L. Blanchet, L.-S. Hou, Lubin, M.E. Tobar, M.E. Tobar, P. Wolf, P. Wolf, P. Wolf, P. Wolf, R. Bluhm, R. Gambini, R. Mansouri, R.J. Kennedy, S. Bize, T. Damour, T.E. Parker, V.A. Kostelecky, V.A. Kostelecky, W.-T. Ni   +41 more
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Test of Time Dilation Using Stored Li+ Ions as Clocks at Relativistic Speed [PDF]

Physical Review Letters, 2014
We present the concluding result from an Ives-Stilwell-type time dilation experiment using 7Li+ ions confined at a velocity of beta = v/c = 0.338 in the storage ring ESR at Darmstadt. A Lambda-type three-level system within the hyperfine structure of the
Bing, Dennis, Botermann, Benjamin, Geppert, Christopher, Gwinner, Gerald, Huber, Gerhard, Hänsch, Theodor W., Karpuk, Sergei, Krieger, Andreas, Kühl, Thomas, Novotny, Christian, Nörtershäuser, Wilfried, Reinhardt, Sascha, Saathoff, Guido, Schwalm, Dirk, Stöhlker, Thomas, Sánchez, Rodolfo, Wolf, Andreas   +16 more
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Testing fundamental physics with photon frequency shift

European Physical Journal C: Particles and Fields, 2020
We propose a high precision satellite experiment to further test Einstein’s General Relativity and constrain extended theories of gravity. We consider the frequency shift of a photon radially exchanged between two observers located on Earth and on a ...
Luca Buoninfante, Gaetano Lambiase, Antonio Stabile   +2 more
doaj   +1 more source

A naturally regularized path integral formalism

European Physical Journal C: Particles and Fields, 2019
A minimal uncertainty in position measurement comes into play if, for instance, one incorporates gravitational interaction of photon and electron in the Heisenberg’s Electron Microscope Gedanken Experiment.
Kourosh Nozari, M. Hajebrahimi, M. Khodadi, A. Etemadi   +3 more
doaj   +1 more source

Thomas-Fermi Model in the Presence of Natural Cutoffs

Advances in High Energy Physics, 2014
It has been revealed, in the context of quantum gravity candidates, that measurement of position cannot be done with arbitrary precision and there is a finite resolution of space-time points.
Kourosh Nozari, Z. Haghani, J. Vahedi
doaj   +1 more source

OPTIS - a satellite-based test of Special and General Relativity [PDF]

, 2001
A new satellite based test of Special and General Relativity is proposed. For the Michelson-Morley experiment we expect an improvement of at least three orders of magnitude, and for the Kennedy-Thorndike experiment an improvement of more than one order ...
, Achim Peters, Buchman S, Claus Lämmerzahl, Damour T, Damour T, Damour T, Ellis J, Hansjörg Dittus, Mansouri R, Mansouri R, Mansouri R, Stephan Schiller, Storz R, Touboul P   +14 more
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Matrix theory of gravitation [PDF]

, 2011
A new classical theory of gravitation within the framework of general relativity is presented. It is based on a matrix formulation of four-dimensional Riemann-spaces and uses no artificial fields or adjustable parameters.
A. Einstein, C. Brans, C. Møller, C.M. Will, C.W. Misner, D. Ebert, F. Müller-Hoissen, F. Müller-Hoissen, F.B. Estabrook, H.H. Chen, H.I. Arcos, J. Schouten, J.D. Bekenstein, J.G. Pereira, J.M. Nester, J.R. Brownstein, J.W. Maluf, J.W. Maluf, L. Iorio, Liftschitz Landau, R. Aldovandi, R. Kuhfuss, W. Kopczyński, W.-H. Cheng, Wolfgang Köhler, Y. Itin, Y. Itin   +26 more
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Overlooked effects of wavefront reception with or without speed limit, from aberration to time measurement

Results in Optics
A general approach to wavefront reception applicable to any type of wave allows to point out some overlooked aspects and ignored consequences of established theories.
Denis Michel
doaj   +1 more source

Foundations of Quantum Gravity : The Role of Principles Grounded in Empirical Reality [PDF]

, 2014
When attempting to assess the strengths and weaknesses of various principles in their potential role of guiding the formulation of a theory of quantum gravity, it is crucial to distinguish between principles which are strongly supported by empirical data
Holman, M.
core   +1 more source

Was Einstein Right? Testing Relativity at the Centenary

, 2005
We review the experimental evidence for Einstein's special and general relativity. A variety of high precision null experiments verify the weak equivalence principle and local Lorentz invariance, while gravitational redshift and other clock experiments ...
Adelberger, Alväger, Baessler, Bailes, Barish, Bauch, Berti, Bertotti, Bize, Braginsky, Brecher, Brillet, Champeney, Chiaverini, Chupp, Ciufolini, Colladay, Colladay, Cutler, Damour, Drever, Esposito-Farèse, Eötvös, Farley, Fischer, Gabriel, Godone, Haugan, Hoyle, Hoyle, Hughes, Ives, Jacobson, Jaseja, Kostelecký, Kramer, Krisher, Lamoreaux, Lightman, Long, Long, Lyne, Marion, Martins, Mattingly, Michelson, Milani, Niebauer, Peik, Prestage, Prestage, Riis, Roll, Rossi, Shankland, Shapiro, Stairs, Talmadge, Thorne, Turneaure, Turyshev, Uzan, Vessot, Visser, Weisberg, Will, Will, Will, Will, Will, Williams, Williams   +71 more
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