Published August 1978 | Version v1
Journal article Metadata-only

Excitations of the gravitational field-I

Creators

  • 1. Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro

Description

The geometry of spacetime is treated as a stochastic variable. Fluctuations induce a deviation from Einstein's system of equations for the average geometry. A model is presented to deal with the fluctuations by expanding the perturbations on a series in the average geometry. As a consequence, some qualitatively new features appear. The influences on galaxy formation and on the propagation of gravitational waves are analyzed

Abstract (Portuguese)

Trata-se a geometria do espaco-tempo como uma variavel estocastica. As flutuacoes induzem um desvio em relacao ao sistema de equacoes de Einstein para a geometria media. Apresenta-se um modelo para tratar as flutuacoes, expandindo as perturbacoes em uma serie na geometria media. Em consequencia, alguns aspectos qualitativamente novos aparecem. Analisam-se influencias sobre a formacao de galaxias e sobre a propagacao de ondas gravitacionais

Additional details

Publishing Information

Journal Title
Rev. Bras. Fis.
Journal Volume
8
Journal Issue
2
Series
Rev. Bras. Fis.
Journal Page Range
442-460
ISSN
0374-4922

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
10442312
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
EINSTEIN FIELD EQUATIONS; EXCITATION; FLUID MECHANICS; GALAXIES; GENERAL RELATIVITY THEORY; GRAVITATIONAL FIELDS; GRAVITATIONAL WAVES; METRICS; SERIES EXPANSION; SPACE-TIME; STOCHASTIC PROCESSES; VACUUM STATES
Descriptors DEC
ENERGY-LEVEL TRANSITIONS; EQUATIONS; FIELD EQUATIONS; FIELD THEORIES; MECHANICS