Relativity and Cosmology

1006 Submissions

[11] viXra:1006.0051 [pdf] submitted on 21 Jun 2010

Massive Gravitons Stability , and a Review of How Many Gravitons Make up a Gravity Wave Detectable / Congruent with B.P. Abbott,, Nature 460, 991 (2009).

Authors: Andrew Beckwith
Comments: 6 pages, 1 figure. Set of notes being turned into an article as to inter relating a graviton count, versus gravitational waves. Will be part of discussions raised in conferences this summer. coming up with specifics as far as the inter relationship

The following questions are raised. First, can there be a stable (massive) graviton? Secondly, what is the relationship between a Gravity Wave, and Gravitons? The inter relationship between a graviton, and a gravity wave is raised, with an idea of eventually making sense of a numerical count presented by Claus Kieffer, in his book on Quantum gravity, in conjunction with how a gravity wave/ graviton count could have some over lap.
Category: Relativity and Cosmology

[10] viXra:1006.0045 [pdf] submitted on 18 Jun 2010

Theoretical Foundation of Gravito-Electromagnetism: The Theory of Informatons

Authors: Antoine Acke
Comments: 37 pages.

The theory of gravitoelectromagnetism (G.E.M.) - that assumes a perfect isomorphism between electromagnetism and gravitation - has been established by Oliver Heaviside (1) and Oleg Jefimenko (2). Within the framework of general relativity, G.E.M. has been discussed by a number of authors (3). It is shown that the gravitational analogs to Maxwell's equations (the G.E.M. equations) can be derived from the Einstein field equation. In this paper we propose an alternative theoretical foundation of G.E.M.: we explain the gravitational interactions, we identify the physical quantities that play a role in that context, and we mathematically derive the laws of gravitoelectromagnetism .
Category: Relativity and Cosmology

[9] viXra:1006.0028 [pdf] replaced on 24 Dec 2010

Warp Drive Basic Science Written For "Aficionados". Chapter II - Jose Natario.

Authors: Fernando Loup
Comments: 28 Pages. This work develops the Natario Warp Drive from ther arXiv paper gr-qc/0110086.

Natario Warp Drive is one of the most exciting Spacetimes of General Relativity.It was the second Spacetime Metric able to develop Superluminal Velocities.However in the literature about Warp Drives the Natario Spacetime is only marginally quoted. Almost all the available literature covers the Alcubierre Warp Drive. It is our intention to present here the fully developed Natario Warp Drive Spacetime and its very interesting features.Our presentation is given in a more accessible mathematical formalism following the style of the current Warp Drive literature destined to graduate students of physics since the original Natario Warp Drive paper of 2001 was presented in a sophisticated mathematical formalism not accessible to average students. Like the Alcubierre Warp Drive Spaceime that requires a continuous function f(rs) in order to be completely analyzed or described we introduce here the Natario Shape Function n(r) that allows ourselves to study the amazing physical features of the Natario Warp Drive. The non-existence of a continuous Shape Function for the Natario Warp Drive in the original 2001 work was the reason why Natario Warp Drive was not covered by the standard literature in the same degree of coverage dedicated to the Alcubierre Warp Drive. We hope to change the situation because the Natario Warp Drive looks very promising.
Category: Relativity and Cosmology

[8] viXra:1006.0025 [pdf] replaced on 15 Jun 2010

What Can be Said About ( Massive) Graviton Stability? & is there DM Generated DE ?

Authors: Andrew Beckwith
Comments: 39 pages, Re do of document, following changes suggested by a Moscow physicist whom I know. 39 pages, includes two sections; one on graviton stability, and another on DM-DE joint model. For Rudn 10 conference, June 30, 2010

Delineating conditions for the existence of a stable (massive) graviton mass, and its possible role in mimicking DE one billion years ago in the re acceleration of the universe
Category: Relativity and Cosmology

[7] viXra:1006.0023 [pdf] submitted on 11 Mar 2010

Hipotese de Smarandache: Evidencias, Implicacoes e Aplicacoes

Authors: Leonardo F. D. da Motta
Comments: 5 pages, Paper in Portugues.

Paper about the Smarandache Hypothesis that there is no speed barrier in the universe and one can construct any speed.
Category: Relativity and Cosmology

[6] viXra:1006.0022 [pdf] replaced on 21 Aug 2010

Can a Massive Graviton be a Stable Particle ?

Authors: Andrew Beckwith
Comments: 6 pages, no figures. Part of accepted contribution to the Frontiers of Fundamental physics 11 conference, Paris, as a poster. Will be part of questions raised in documentation for the DICE 2010 conference in Italy run by Thomas Elze, September 13-17, 2010

This document is due to a question asked in the Dark Side of the Universe conference, 2010, in Leon, Mexico, when a researcher from India asked the author about how to obtain a stability analysis of massive gravitons. The answer to this question involves an extension of the usual Pauli_Fiertz Langrangian , with non zero graviton mass contributing to a relationship between the trace of a re done GR stress-energy tensor ( assuming non zero graviton mass) , and the trace of a re done symmetric tensor , times a tiny mass for a 4 dimensional graviton. The resulting analysis makes use of Visser's treatment of a stress energy tensor, with experimental applications discussed in the resulting analysis. If the square of frequency of a massive graviton is real valued and greater than zero, stability can be possibly confirmed experimentally.
Category: Relativity and Cosmology

[5] viXra:1006.0017 [pdf] replaced on 19 Jun 2010

A Very Special Case, a Brief Comment About the Michelson / Morley Experiment

Authors: Roald C. Maximo
Comments: 3 pages

Very often, in the history of science, amazingly simple phenomena, when initially misunderstood, may become laden with prejudice and somewhat mystical connotations and, since then, are passed on from generation to generation for no better reason then magister dixit. One example already discussed here [1] has been stellar aberration. But there is nevertheless a very special case where in trying to explain the null result of the Michelson and Morley experiment scientists, just to keep up to their prejudices, chose the weirdest explanations; instrument length contraction or Ether drag !
Category: Relativity and Cosmology

[4] viXra:1006.0010 [pdf] submitted on 4 Jun 2010

Perspectives About Density of Universal Cosmic Mass, Density of Space and the a-Temporal Gravitation

Authors: Davide Fiscaletti
Comments: 12 pages

Clocks are measuring systems for the numerical order, speed and frequency of material changes that run into space. Time does not run into space on its own, time exists only as numerical order, speed and frequency of material change. Stellar objects and particles move into space only and not into time. Gravitational interaction between material objects is the result of curvature of space that is determined by the granular structure of space. Density of the elementary grains of space depends on density of universal cosmic mass, higher is the density of universal cosmic mass lower is the density of grains of empty space. Density of empty space is the physical basis of its curvature. Material objects have a tendency to move into direction of lower density and higher curvature of space. Gravitational interaction mass-space-mass is immediate: the presence of a mass causes change of density of space, change of density of space causes gravitational motion. A mass acts on another mass indirectly via the change of density of empty space. Gravitational interaction between two masses is immediate: no time, namely no duration of motion of a particle or wave in space is needed to transmit gravitational interaction from one to another material object.
Category: Relativity and Cosmology

[3] viXra:1006.0009 [pdf] submitted on 4 Jun 2010

Numerical Order of Physical Events Has no Duration

Authors: Davide Fiscaletti, Amrit S. Sorli
Comments: 8 pages

With clocks we measure numerical order t0,t1,t2,...,tn of a physical event. A sequence tn-1 is "before" a sequence tn equivalently to natural number n-1 is before natural number n. Numerical order t0,t1,t2,...,tn of a physical event has no duration. It runs in a timeless space where physical time is run of clocks. Duration of an event is a result of experiencing its measurement with a clock through the frame of psychological time "past-present-future" but events happen exclusively in space.
Category: Relativity and Cosmology

[2] viXra:1006.0008 [pdf] submitted on 4 Jun 2010

About Immediate Physical Phenomena and Space as a Direct Medium of Information

Authors: Davide Fiscaletti
Comments: 11 pages

For several physical phenomena elapsed clock run t for them to happen is zero. These events can be appropriately defined as "immediate physical phenomena" and support the view that, at a fundamental level, time exists only as a run of clocks in a timeless space. Immediate physical phenomena are carried directly by space which functions as a direct information medium. The perspective is opened that the quanta of space that build quantum space assume a crucial role as regards these phenomena.
Category: Relativity and Cosmology

[1] viXra:1006.0002 [pdf] submitted on 2 Jun 2010

Detector of Aether Operating on Transverse Doppler Effect

Authors: V.V. Demjanov
Comments: 7 pages

Rotating the source of light around the point lying on the light's beam we can observe the transverse Doppler effect by a spectrometer located in the center of rotation. The anomalous shift of the electromagnetic wave's frequency was found from this experiment (performed in 1969-1974 years) that appeared to be much higher than anticipated from the standard relativistic expression taking into account solely the linear velocity of rotation of the source in the laboratory. The interpretation of the experimental observations admitting absolute motion of the Earth and respective accounting for reality of the Lorentz contraction and time dilation enabled us to determine the speed of the Earth relative to luminiferous aether. It appeared to be somewhat above 400 km/s that agrees well with the value formerly found by me using three methods of determining the speed of "aether wind" by Michelson-type interferometers thoroughly accounted for refractive indices of optical media.
Category: Relativity and Cosmology