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Baryonic processes in the large-scal...

Durrive, Jean-Baptiste.

Baryonic processes in the large-scale structuring of the universe

Record Type:	Electronic resources : Monograph/item
Title/Author:	Baryonic processes in the large-scale structuring of the universeby Jean-Baptiste Durrive.
Author:	Durrive, Jean-Baptiste.
Published:	Cham :Springer International Publishing :2017.
Description:	xiii, 187 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
Subject:	Astrophysics.
Online resource:	http://dx.doi.org/10.1007/978-3-319-61881-4
ISBN:	9783319618814$q(electronic bk.)

Baryonic processes in the large-scale structuring of the universe
Durrive, Jean-Baptiste.

Baryonic processes in the large-scale structuring of the universe[electronic resource] /by Jean-Baptiste Durrive. - Cham :Springer International Publishing :2017. - xiii, 187 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Tools -- Magnetogenesis by Photoionization -- Magnetogenesis Throughout the Epoch of Reionization -- Numerical Approach -- Equilibrium States of Cosmic Walls and Filaments -- Spectral Theory -- Stability of Cosmic Walls -- Further Ongoing Works.

This thesis addresses two very different but equally important topics in the very broad fields of astrophysics and cosmology: (I) the generation of cosmological magnetic fields and (II) gravitational fragmentation of the Cosmic Web. All mathematical developments are completed by illuminating physical interpretations, and the thesis, which is guided by existing observations, is purely theoretical. In part I, the author further develops a magnetogenesis model proposed in the literature, providing an unprecedented level of physical understanding. He demonstrates that the physics of photoionisation is very likely to have premagnetised, at a relevant level, the entire Universe at the early epoch of the formation of the first luminous sources. In part II, the author adapts the tools of plasma spectral theory to the context of gravitational instability of the baryonic gas within the stratified structures of the Cosmic Web. He skillfully derives the wave equation governing the growth of perturbations and explores various equilibrium configurations, in planar and cylindrical geometries characteristic of cosmic walls and filaments, for isothermal and polytropic conditions, with or without an external gravitational background. Clearly structured and written in pedagogical style, this outstanding thesis puts the results into perspective and highlights the merits and limitations of the various approaches explored.

ISBN: 9783319618814$q(electronic bk.)

Standard No.: 10.1007/978-3-319-61881-4doiSubjects--Topical Terms:

225419
Astrophysics.

LC Class. No.: QB461

Dewey Class. No.: 523.01

Baryonic processes in the large-scale structuring of the universe
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520 $a This thesis addresses two very different but equally important topics in the very broad fields of astrophysics and cosmology: (I) the generation of cosmological magnetic fields and (II) gravitational fragmentation of the Cosmic Web. All mathematical developments are completed by illuminating physical interpretations, and the thesis, which is guided by existing observations, is purely theoretical. In part I, the author further develops a magnetogenesis model proposed in the literature, providing an unprecedented level of physical understanding. He demonstrates that the physics of photoionisation is very likely to have premagnetised, at a relevant level, the entire Universe at the early epoch of the formation of the first luminous sources. In part II, the author adapts the tools of plasma spectral theory to the context of gravitational instability of the baryonic gas within the stratified structures of the Cosmic Web. He skillfully derives the wave equation governing the growth of perturbations and explores various equilibrium configurations, in planar and cylindrical geometries characteristic of cosmic walls and filaments, for isothermal and polytropic conditions, with or without an external gravitational background. Clearly structured and written in pedagogical style, this outstanding thesis puts the results into perspective and highlights the merits and limitations of the various approaches explored.
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