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Inflationary epoch information


In physical cosmology, the inflationary epoch was the period in the evolution of the early universe when, according to inflation theory, the universe underwent an extremely rapid exponential expansion. This rapid expansion increased the linear dimensions of the early universe by a factor of at least 1026 (and possibly a much larger factor), and so increased its volume by a factor of at least 1078. Expansion by a factor of 1026 is equivalent to expanding an object 1 nanometer (10−9 m, about half the width of a molecule of DNA) in length to one approximately 10.6 light years (about 62 trillion miles) long.

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Inflationary epoch

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In physical cosmology, the inflationary epoch was the period in the evolution of the early universe when, according to inflation theory, the universe underwent...

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Chronology of the universe

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described as including the inflationary epoch. In other models, the electroweak epoch is said to begin after the inflationary epoch ended, at roughly 10−32...

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Grand unification epoch

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that dominated the development of the universe during the following inflationary epoch. Big Bang Chronology of the universe Ultimate fate of the universe...

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Electroweak epoch

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particle physics). Some cosmologists place the electroweak epoch at the start of the inflationary epoch, approximately 10−36 seconds after the Big Bang. Others...

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Expansion of the universe

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predicted by Newtonian gravity. According to inflation theory, during the inflationary epoch about 10−32 of a second after the Big Bang, the universe suddenly...

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Eternal inflation

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problematic, as there was no consistent way to bring an end to the inflationary epoch and end up with the hot, isotropic, homogeneous universe observed...

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Universe

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universe expanded. After an initial accelerated expansion called the inflationary epoch at around 10−32 seconds, and the separation of the four known fundamental...

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Big Bang

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through observation and theory. All of this cosmic evolution after the inflationary epoch can be rigorously described and modeled by the lambda-CDM model of...

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Alexei Starobinsky

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his calculations of the gravitational radiation emitted during the inflationary epoch of the universe. He received the Oskar Klein Medal in 2010. Starobinsky...

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Observable universe

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visible universe. The former includes signals since the end of the inflationary epoch, while the latter includes only signals emitted since recombination...

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Planck units

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the unified force of the Standard Model, in turn followed by the inflationary epoch, which ended after about 10−32 seconds (or about 1011 tP). Table 3...

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Cosmic time

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benchmark cosmological models which may coincide with the end of the inflationary epoch. For technical purposes, concepts such as the average temperature...

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Heat death of the universe

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Speculatively, it is possible that the universe may enter a second inflationary epoch, or assuming that the current vacuum state is a false vacuum, the...

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Meaning of life

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Modern view of the expansion of space. The inflationary epoch is a period of rapidly accelerating expansion at left....

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Outer space

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and electrons to combine and form hydrogen—the so-called recombination epoch. When this happened, matter and energy became decoupled, allowing photons...

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Higgs boson

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during the first fraction of a second of the universe (known as the "inflationary epoch"). Some theories suggest that a fundamental scalar field might be...

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Gravitational wave

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smoothed out. Many models of the Universe suggest that there was an inflationary epoch in the early history of the Universe when space expanded by a large...

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CfA Redshift Survey

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superclusters have been described as artifacts of quantum fluctuations in the inflationary epoch of the universe. CfA Redshift Survey and Catalog Retrieved April 7...

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Information field theory

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small amounts of non-Gaussianities believed to be seeded during the inflationary epoch in the Early Universe. In order to have a stable numerics for IFT...

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Primordial black hole

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hypothetical black holes that formed soon after the Big Bang. In the inflationary era and early radiation-dominated universe, extremely dense pockets of...

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Horizon problem

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free-streaming. This epoch is observed through the CMB. Since we observe the CMB as a background to objects at a smaller redshift, we describe this epoch as the transition...

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Ekpyrotic universe

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addresses the fundamental question that remains unanswered by the Big Bang inflationary model, "What happened before the Big Bang?" The explanation, according...

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False vacuum

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inflation" or "slow roll inflation" in which no tunnelling occurs, and the inflationary scalar field instead graphs as a gentle slope. In 2014, researchers at...

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Cosmic microwave background

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galactic motion. In the Big Bang model for the formation of the universe, inflationary cosmology predicts that after about 10−37 seconds the nascent universe...

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Paul Steinhardt

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the inflationary theory leads to a multiverse that allows for every possible outcome, Steinhardt argued, we must conclude that the inflationary theory...

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2024 in climate change

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Christiane (21 March 2024). "Global warming and heat extremes to enhance inflationary pressures". Communications Earth & Environment. 5: 116. doi:10.1038/s43247-023-01173-x...

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