In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the early universe. Villata is one of many scientists who are looking for new explanations of the Universe’s accelerating expansion that involve some form of repulsive gravity. Gravitational waves during inflation from a 5D large-scale repulsive gravity model Unlike mass, energy can produce an attractive or repulsive gravity depending on whether the energy pressure is positive or negative. General relativity from its inception predicted the possibility of repulsive gravity; in the context of general relativity you basically need a material with a negative pressure to create repulsive gravity. We calculate the spectrum of the tensor metric fluctuations of an effective 4D Schwarzschild-de-Sitter metric on cosmological scales. Following the inflationary period, the universe continued to expand, but at a slower rate. We investigate, in the transverse traceless (TT) gauge, the generation of the relic background of gravitational waves, generated during the early inflationary stage, on the framework of a large-scale repulsive gravity model. We have organized the Letter as follows. The negative pressure of the false vacuum, therefore, creates a repulsive gravitational field, which is the driving force behind inflation. There's a very peculiar feature of this inflation--this exponential expansion driven by repulsive gravity--which is that while it's happening, the mass density or energy density of the inflating material--this repulsive gravity material--does not decrease.
As with familiar radioactive materials, the decay of the repulsive-gravity material is generally exponential: during any period of one half-life, on average half of it will decay. Repulsive gravity is theorized by inflation theory, but that’s a rapid hyper-expansion in the early phases of the universe.
In tension stars, this repulsive gravity is balanced by the tension. Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum) by Lisa Zyga , Phys.org In stars, pressure opposes the attractive force of gravity. Repulsive gravity is theorized by inflation theory, but that’s a rapid hyper-expansion in the early phases of the universe. This "repulsive gravity" drives the expansion of space (restoring the "true vacuum") during the brief period of … Is it part of the inflaton field. So it doesn't survive forever, but instead decays like a radioactive substance. The basic idea behind inflation is that a repulsive form of gravity caused the universe to expand. Today’s expansion due to dark energy may be remnants of the repulsive gravity from inflation, or it may be an entirely distinct phenomenon. In this Letter we study the generation of relic background of cosmological gravitational waves during inflation, derived from a non-compact KK theory of gravity in the context of a repulsive gravity theory. Pressures, like energy densities, create gravitational fields, and in particular a positive pressure creates an attractive gravitational field. The powerful, repulsive gravity of inflation was the bang in the Big Bang. The inflationary epoch lasted from 10 −36 seconds after the conjectured Big Bang singularity to some time between 10 −33 and 10 −32 seconds after the singularity. Today’s expansion due to dark energy may be remnants of the repulsive gravity from inflation, or it may be an entirely distinct phenomenon. In Alan Guth's theory of inflation, "repulsive gravity" is produced by the "negative pressure" of a supercooled "Higgs inflaton field" in a "false vacuum". It can produce repulsive gravity to drive cosmic inflation in the big bang, while later on it could generate the more sedate acceleration that is ascribed to dark energy. Where is it? This "repulsive gravity" drives the expansion of space (restoring the "true vacuum") during the brief period of inflation which initiates the Universe.
We investigate, in the transverse traceless (TT) gauge, the generation of the relic background of gravitational waves, generated during an early inflationary stage, on the framework of a large-scale repulsive gravity model. Inflation theory claimes that the general relativity equation solution indicates that there is a negative pressure,which also represents a source of gravitational field.This negative pressure produces a repulsive gravity, which caused the inflation,this happend at 10^-32 sec after the big bang, which occured within about 10^-36 second.
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As with familiar radioactive materials, the decay of the repulsive-gravity material is generally exponential: during any period of one half-life, on average half of it will decay. Repulsive gravity is theorized by inflation theory, but that’s a rapid hyper-expansion in the early phases of the universe.
In tension stars, this repulsive gravity is balanced by the tension. Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum) by Lisa Zyga , Phys.org In stars, pressure opposes the attractive force of gravity. Repulsive gravity is theorized by inflation theory, but that’s a rapid hyper-expansion in the early phases of the universe. This "repulsive gravity" drives the expansion of space (restoring the "true vacuum") during the brief period of … Is it part of the inflaton field. So it doesn't survive forever, but instead decays like a radioactive substance. The basic idea behind inflation is that a repulsive form of gravity caused the universe to expand. Today’s expansion due to dark energy may be remnants of the repulsive gravity from inflation, or it may be an entirely distinct phenomenon. In this Letter we study the generation of relic background of cosmological gravitational waves during inflation, derived from a non-compact KK theory of gravity in the context of a repulsive gravity theory. Pressures, like energy densities, create gravitational fields, and in particular a positive pressure creates an attractive gravitational field. The powerful, repulsive gravity of inflation was the bang in the Big Bang. The inflationary epoch lasted from 10 −36 seconds after the conjectured Big Bang singularity to some time between 10 −33 and 10 −32 seconds after the singularity. Today’s expansion due to dark energy may be remnants of the repulsive gravity from inflation, or it may be an entirely distinct phenomenon. In Alan Guth's theory of inflation, "repulsive gravity" is produced by the "negative pressure" of a supercooled "Higgs inflaton field" in a "false vacuum". It can produce repulsive gravity to drive cosmic inflation in the big bang, while later on it could generate the more sedate acceleration that is ascribed to dark energy. Where is it? This "repulsive gravity" drives the expansion of space (restoring the "true vacuum") during the brief period of inflation which initiates the Universe.
We investigate, in the transverse traceless (TT) gauge, the generation of the relic background of gravitational waves, generated during an early inflationary stage, on the framework of a large-scale repulsive gravity model. Inflation theory claimes that the general relativity equation solution indicates that there is a negative pressure,which also represents a source of gravitational field.This negative pressure produces a repulsive gravity, which caused the inflation,this happend at 10^-32 sec after the big bang, which occured within about 10^-36 second.
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