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The expanding universe and thermal relics

Ta-Pei Cheng

in Relativity, Gravitation and Cosmology: A Basic Introduction

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199573639
eISBN:
9780191722448
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573639.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The dynamics of a changing universe are determined by Friedmann equations, which have simple quasi-Newtonian interpretations. The universe began hot and dense (the big bang), and thereafter expanded ... More


Inflation and the accelerating universe

Ta-Pei Cheng

in Relativity, Gravitation and Cosmology: A Basic Introduction

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199573639
eISBN:
9780191722448
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573639.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Einstein introduced the cosmological constant in his field equation so as to obtain a static universe solution. This constant energy density corresponds to a negative pressure, giving rise to a ... More


The Battle for the Cosmos!

Nicholas Mee

in The Cosmic Mystery Tour

Published in print:
2019
Published Online:
January 2019
ISBN:
9780198831860
eISBN:
9780191869785
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198831860.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, History of Physics

We now know the universe began with the Big Bang 13.8 billion years ago, but for several years debate raged between the supporters of the Big Bang theory led by George Gamow and supporters of the ... More


Primal Emergence

John L. Culliney and David Jones

in The Fractal Self: Science, Philosophy, and the Evolution of Human Cooperation

Published in print:
2017
Published Online:
January 2018
ISBN:
9780824866617
eISBN:
9780824875763
Item type:
chapter
Publisher:
University of Hawai'i Press
DOI:
10.21313/hawaii/9780824866617.003.0001
Subject:
Religion, Religion and Society

Since the Big Bang, the universe’s inflation and its aftermath might be called the “creation story” according to science, in which tremendously variegated order and deterministic pattern propagated ... More


The imprint of GWs on the CMB

Michele Maggiore

in Gravitational Waves: Volume 2: Astrophysics and Cosmology

Published in print:
2018
Published Online:
May 2018
ISBN:
9780198570899
eISBN:
9780191817182
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198570899.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

CMB multipoles. Photon geodesics in perturbed FRW. Temperature anisotropies. Sachs-Wolfe, ISW and Doppler contributions. Boltzmann equation. CMB polarization. E and B modes


Cosmology

Steven Carlip

in General Relativity: A Concise Introduction

Published in print:
2019
Published Online:
March 2019
ISBN:
9780198822158
eISBN:
9780191861215
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198822158.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

Starting with the assumptions of homogeneity and isotropy, the cosmological solutions of the Einstein field equations—the Friedmann-Lemaitre-Robertson-Walker metrics—are derived. After a discussion ... More


A Brief History of Cosmology

John Iliopoulos

in The Origin of Mass: Elementary Particles and Fundamental Symmetries

Published in print:
2017
Published Online:
December 2017
ISBN:
9780198805175
eISBN:
9780191843259
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198805175.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, History of Physics

We present the evolution of our ideas concerning the history of the Cosmos. They are based on Einstein’s theory of General Relativity in which E.P. Hubble and G. Lemaître brought two fundamental new ... More


The Dark Side

Steven E. Vigdor

in Signatures of the Artist: The Vital Imperfections That Make Our Universe Habitable

Published in print:
2018
Published Online:
March 2018
ISBN:
9780198814825
eISBN:
9780191852954
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198814825.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Chapter 6 deals with the remaining mysteries in cosmology—dark matter, dark energy, and inflationary expansion—and the experiments aimed at solving them. It reviews the evidence for dark matter, and ... More


The Big Bang: discovery

Robert T. Hanlon

in Block by Block: The Historical and Theoretical Foundations of Thermodynamics

Published in print:
2020
Published Online:
April 2020
ISBN:
9780198851547
eISBN:
9780191886133
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198851547.003.0002
Subject:
Physics, Theoretical, Computational, and Statistical Physics

A very small number of very smart individuals discovered the Big Bang (as it became known) and its aftermath. The fact that the stars are all moving away from us in a structured ... More


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