نتایج جستجو برای: gravitation concentration

تعداد نتایج: 384095  

2002
Delia Ionescu

In this paper, I determine the electrogravitational field produced by a charged mass point according to the Relativistic Theory of Gravitation. The Causality Principle in the Relativistic Theory of Gravitation will play a very important part in finding this field. The analytical form and the domain of definition, i.e the gravitational radius of the obtained solution, differ from that given by E...

2017
Yann Brenier YANN BRENIER

We address the early universe reconstruction (EUR) problem (as considered by Frisch and coauthors in [24]), and the related Zeldovich approximate model [39]. By substituting the fully nonlinear Monge-Ampère equation for the linear Poisson equation to model gravitation, we introduce a modified mathematical model (”Monge-Ampère gravitation/MAG”), for which the Zeldovich approximation becomes exac...

2008
R. V. R. Pandya

We study influence of gravitational field on the mass-energy equivalence relation by incorporating gravitation in the physical situation considered by Einstein (Ann. Physik, 17, 1905, English translation in ref. [1]) for his first derivation of mass-energy equivalence. In doing so, we also refine Einstein’s expression (Ann. Physik, 35, 1911, English translation in ref. [3]) for increase in grav...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011
Eric V Linder

Gravitation governs the expansion and fate of the universe, and the growth of large-scale structure within it, but has not been tested in detail on these cosmic scales. The observed acceleration of the expansion may provide signs of gravitational laws beyond general relativity (GR). Since the form of any such extension is not clear, from either theory or data, we adopt a model-independent appro...

2006
S. Hossenfelder

The possibility of a symmetry between gravitating and anti-gravitating particles is examined. The properties of the anti-gravitating fields are defined by their behavior under general diffeomorphisms. The equations of motion and the conserved canonical currents are derived, and it is shown that the kinetic energy remains positive whereas the new fields can make a negative contribution to the so...

2006
R. A. Sharipov R. A. SHARIPOV

1. Fermion fields of the Standard Model. Fermion fields of the Standard Model are subdivided into two parts: lepton fields and quark fields. Lepton fields are subdivided into three generations. The first generation is represented by an electron e and an electronic neutrino νe, the second generation is represented by a muon μ and its neutrino νμ, and the third generation is represented by a tauo...

2008
L. Verozub

If we start with Einstein’s beautiful hypothesis that test particles in gravitational field move along geodesic lines of some Riemannian spaces V4, it is natural to expect that the differential equations for finding the metric tensor gαβ(x) for a given distribution of matter also should be invariant under any transformations at which the geodesic equations remain invariant. However, the geodesi...

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