Browsing by Subject "Quantum cosmology"
Now showing items 120 of 26

Accelerationinduced nonlocal electrodynamics in Minkowski spacetime
(arXiv, 200003)We discuss two nonlocal models of electrodynamics in which the nonlocality is induced by the acceleration of the observer. Such an observer actually measures an electromagnetic field that exhibits persistent memory effects. ... 
AccelerationInduced Nonlocality
(arXiv, 200301)The standard relativistic theory of accelerated reference frames in Minkowski spacetime is described. The measurements of accelerated observers are considered and the limitations of the standard theory, based on the ... 
A Gravitational Mechanism for the Acceleration of Ultrarelativistic Particles
(arXiv, 200503)Imagine a swarm of free particles near a point P outside a gravitating mass M and a free reference particle at P that is on a radial escape trajectory away from M. Relative to this reference particle and in a Fermi normal ... 
Gravitoelectromagnetism
(arXiv, 200011)Gravitoelectromagnetism is briefly reviewed and some recent developments in this topic are discussed. The stressenergy content of the gravitoelectromagnetic field is described from different standpoints. In particular, ... 
Gravitoelectromagnetism: A Brief Review
(arXiv, 200804)The main theoretical aspects of gravitoelectromagnetism ("GEM") are presented. Two basic approaches to this subject are described and the role of the gravitational Larmor theorem is emphasized. Some of the consequences of ... 
Gravitomagnetic Jets
(arXiv, 201008)We present a family of dynamic rotating cylindrically symmetric Ricciflat gravitational fields whose geodesic motions have the structure of gravitomagnetic jets. These correspond to helical motions of free test particles ... 
Gravitomagnetism and the Clock Effect
(arXiv, 199912)The main theoretical aspects of gravitomagnetism are reviewed. It is shown that the gravitomagnetic precession of a gyroscope is intimately connected with the special temporal structure around a rotating mass that is ... 
The Hypothesis of Locality and its Limitations
(arXiv, 200303)The hypothesis of locality, its origin and consequences are discussed. This supposition is necessary for establishing the local spacetime frame of accelerated observers; in this connection, the measurement of length in a ... 
Length measurement in accelerated systems
(arXiv, 200206)We investigate the limitations of length measurements by accelerated observers in Minkowski spacetime brought about via the hypothesis of locality, namely, the assumption that an accelerated observer at each instant is ... 
Mach's Principle
(arXiv, 200803)We briefly review the history of Mach's principle and discuss its significance in the light of modern physics. 
Measurement Theory and General Relativity
(arXiv, 200003)The theory of measurement is employed to elucidate the physical basis of general relativity. For measurements involving phenomena with intrinsic length or time scales, such scales must in general be negligible compared to ... 
A Mission to Explore the Pioneer Anomaly
(arXiv, 200506)The Pioneer 10 and 11 spacecraft yielded the most precise navigation in deep space to date. These spacecraft had exceptional acceleration sensitivity. However, analysis of their radiometric tracking data has consistently ... 
Modification of the Doppler effect due to the helicityrotation coupling
(arXiv, 200210)The helicityrotation coupling and its current empirical basis are examined. The modification of the Doppler effect due to the coupling of photon spin with the rotation of the observer is considered in detail in connection ... 
Necessity of AccelerationInduced Nonlocality
(arXiv, 201006)The purpose of this paper is to explain clearly why nonlocality must be an essential part of the theory of relativity. In the standard local version of this theory, Lorentz invariance is extended to accelerated observers ... 
Nonlocal Special Relativity
(arXiv, 200805)In the special theory of relativity, Lorentz invariance is extended in Minkowski spacetime from ideal inertial observers to actual observers by means of the hypothesis of locality, which postulates that accelerated observers ... 
Nonlocal Transformations for Accelerated Observers
(arXiv, 200908)According to the locality postulate of special relativity, the measurements of physical fields by accelerated observers at a given event in Minkowski spacetime are related to each other by the representations of the Lorentz ... 
Nonlocality of Accelerated Systems
(arXiv, 200305)The conceptual basis for the nonlocality of accelerated systems is presented. The nonlocal theory of accelerated observers and its consequences are briefly described. Nonlocal field equations are developed for the case of ... 
Observable frequency shifts via spinrotation coupling
(arXiv, 199808)The phase perturbation arising from spinrotation coupling is developed as a natural extension of the celebrated Sagnac effect. Experimental evidence in support of this phase shift, however, has yet to be realized due to ... 
On detecting the gravitomagnetic field of the earth by means of orbiting clocks
(arXiv, 199808)Based on the recent finding that the difference in proper time of two clocks in prograde and retrograde equatorial orbits about the Earth is of the order 10^{7}s per revolution, the possibility of detecting the terrestrial ... 
On the Energy of Rotating Gravitational Waves
(arXiv, 199609)A class of solutions of the gravitational field equations describing vacuum spacetimes outside rotating cylindrical sources is presented. A subclass of these solutions corresponds to the exterior gravitational fields of ...