principle of equivalence

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Related to Equivalence principle: general relativity
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(physics) the principle that an observer has no way of distinguishing whether his laboratory is in a uniform gravitational field or is in an accelerated frame of reference

References in periodicals archive ?
Almost all quantum theories of gravity, which attempt to explain gravity using quantum mechanics, predict that the equivalence principle should be violated at the atomic level, and that the free-fall acceleration under such circumstances should depend on a quantum particle's properties, such as its spin.
If Fast Radio Bursts are proven to originate outside the Milky Way Galaxy, and if their distances can be measured accurately, they will be a new powerful tool for testing Einstein's Equivalence Principle and for extending the tested energy range down to radio-band frequencies," MeszEiros said.
Dynamical Fractal 3-Space and the Generalised Schrodinger Equation: Equivalence Principle and Vorticity Effects, Progress in Physics, 2006, v.
All such theories that have been proposed would not contain the strong equivalence principle, Ransom says.
By considering the characteristics of EPA and the advantages of the periodic Green's function, the periodic equivalence principle algorithm (PEPA) is proposed.
Li, "A simple technique for optimizing the implementation of the aperture theorem based on equivalence principle," Progress In Electromagnetics Research M, Vol.
It is necessary to account for these implicit assumptions and use them--or similar assumptions--in developing an equivalence principle.
For instruments which correspond to the European definition of an authentic instrument, the regulation lays down an equivalence principle based on the principle of mutual recognition," said notary Edmond Jacoby.
Testing for the constancy of the fundamental constants has proven to be an efficient test of Einstein equivalence principle that can be performed on astrophysical scales.
Instead, the seven ambassadors call for the equivalence principle to be used to assess compliance with sustainability criteria.
General relativity is established on two principles (Einstein et al 1923, Einstein 1954), namely: 1) Einstein's equivalence principle, which requires the Einstein-Minkowski condition that a free falling point-like particle in a gravitational field is along a geodesic and results in a co-moving local Minkowski space; and 2) the principle of general relativity, that is "The law of physics must be of such a nature that they apply to systems of reference in any kind of motion.
Wilkinson, New test of equivalence principle from lunar laser ranging, Phys.
Although physicists since Galileo knew this, Einstein was able to extract from this the Equivalence Principle.
Special relativity can handle any situation where gravitational forces are not present, and despite the Equivalence Principle, acceleration is not gravitation.
The experimental results reached by EPF meant that the equivalence principle was valid to |Omega~ |is less than~ |10.