2-Component Cosmological Models with Perfect Fluid and Scalar Field: Exact Solutions

Melnikov, V. N.; Gavrilov, V. R.

doi:10.1007/978-1-4020-2242-5_12

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“…In [72], a behavior of this system near the singularity was studied using a billiard approach suggested earlier in [55,74]. A number of S-brane solutions may be found in [63,64].…”

Section: Multidimensional Modelsmentioning

confidence: 99%

Centenary of Einstein’s general relativity. Its present extensions

Melnikov

2016

Gravit. Cosmol.

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This paper is a brief review of integrable models of gravitation and cosmology in four and more dimensions which make up one of the proper approaches to studying the basic issues and strong field objects, the early and present Universe, and black hole (BH) physics in particular. The main results within this approach, obtained in the recent years by the research group founded by K.P. Staniukovich, are presented. Absolute G measurements and problems of its possible time and range variations, which are reflections of the unification problem, are discussed within these models. The choice, nature, classification and precision of determination of fundamental physical constants and their role in the expected transition to new definitions of basic SI units, supposed to be based on fundamental physical constants and stable quantum phenomena, are described. A need for further absolute measurements of G, its possible range and time variations is stressed. The multipurpose space project SEE is shortly described, aimed at measuring G and its stability in space and time with a progress of 2-3 orders of magnitude against the present accuracy. It may answer many important questions posed by gravitation, cosmology and unified theories. A project of a laboratory experiment to test possible deviations from Newton's law of gravity is also presented.

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“…In [72], a behavior of this system near the singularity was studied using a billiard approach suggested earlier in [55,74]. A number of S-brane solutions may be found in [63,64].…”

Section: Multidimensional Modelsmentioning

confidence: 99%

Centenary of Einstein’s general relativity. Its present extensions

Melnikov

2016

Gravit. Cosmol.

Self Cite

View full text Add to dashboard Cite

show abstract

2-Component Cosmological Models with Perfect Fluid and Scalar Field: Exact Solutions

Cited by 1 publication

References 4 publications

Centenary of Einstein’s general relativity. Its present extensions

Centenary of Einstein’s general relativity. Its present extensions

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