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Open AccessJournal ArticleDOI

Particle creation in the early Universe: Achievements and problems

A. A. Grib, +1 more
- 25 May 2016 - 
- Vol. 22, Iss: 2, pp 107-115
TLDR
In this paper, results on particle creation from vacuum by the gravitational field of the expanding Friedmann Universe are presented. But the results for the density of particles and the energy density for created particles are given for different exact solutions and different expansion modes of the universe.
Abstract
Results on particle creation from vacuum by the gravitational field of the expanding Friedmann Universe are presented. Finite results for the density of particles and the energy density for created particles are given for different exact solutions and different expansion modes of the Universe. The results are obtained for both conformal and nonconformal particles. The hypothesis on the origin of visible matter from the decay of created from vacuum superheavy particles identified with dark matter is discussed.

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Citations
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The first three minutes. A modern view of the origin of the universe

TL;DR: The giant and the cow, the expansion of the universe, and the Cosmic Microwave Radiation Background have been studied in this article, with a focus on the first three minutes of the first one hundredth second of the year.
Journal Article

One-Note-Samba Approach to Cosmology

TL;DR: Inspired by One Note Samba, a standard jazz repertoire, this paper presented an outline of Bose-Einstein Condensate Cosmology, which is not impossible to connect altogether BEC, Scalar Field Cosmology and Feshbach Resonance with Ermakov-Pinney equation.
Posted Content

Ultraviolet asymptotics of particle creation with respect to a congruence of observers

TL;DR: In this paper, it was shown that the quantum field theory with respect to a congruence of observers is violated when the equal time hypersurfaces of the congruences are not spacelike, even for a theory with a finite cutoff.
Journal ArticleDOI

Wave Asymptotics at a Cosmological Time-Singularity: Classical and Quantum Scalar Fields

TL;DR: In this article, it was shown that the number of cosmological particle creation is finite under general assumptions on the initial Big Bang and the final Big Crunch or Big Brake.
Posted Content

Remark on Vacuum Fluctuation as the Cause of Universe Creation

Victor Christianto, +1 more
- 01 Sep 2018 - 
TL;DR: In this article, Neutrosophic logic offers a resolution to the long standing disputes between beginning and eternity of the universe, which was a main topic in ancient philosophy of nature and the Middle Ages.
References
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Book

Quantum Fields in Curved Space

N. D. Birrell, +1 more
TL;DR: A comprehensive review of the subject of gravitational effects in quantum field theory can be found in this paper, where special emphasis is given to the Hawking black hole evaporation effect, and to particle creation processes in the early universe.

Quantum Fields in Curved Space

N. D. Birrell, +1 more
TL;DR: A comprehensive review of the subject of gravitational effects in quantum field theory can be found in this paper, where special emphasis is given to the Hawking black hole evaporation effect, and to particle creation processes in the early universe.

Particle Physics and Inflationary Cosmology

Andrei Linde
TL;DR: A monograph on inflationary cosmology and cosmological phase transitions is presented in this article, which investigates modern cosmology's relationship to elementary particle physics and includes a non-technical discussion of the theory for those unfamiliar with the theory.
Book

Particle Physics and Inflationary Cosmology

Andrei Linde
TL;DR: A monograph on inflationary cosmology and cosmological phase transitions is presented in this paper, which investigates modern cosmology's relationship to elementary particle physics and includes a non-technical discussion of the theory for those unfamiliar with the theory.
Book

Quantum Field Theory in Curved Spacetime and Black Hole Thermodynamics

TL;DR: In this paper, a pedagogical introduction to the formulation of quantum field theory in curved spacetime is provided, and a comprehensive, up-to-date account of the Unruh effect, the Hawking effect, and some of its ramifications is provided.
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