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Baryonic Processes in the Large-Scale Structuring of the Universe

  • Book
  • © 2017

Overview

Authors:
  1. Jean-Baptiste Durrive

    1. Institut d’Astrophysique Spatiale, Université Paris-Sud, Orsay, France

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  • Nominated as an outstanding PhD thesis by the University of Paris-Sud, France
  • Offers a multidisciplinary approach (linking cosmology, astrophysics, and plasma physics), which appeals to a large audience
  • Presents technical derivations together with intuitive arguments
  • Written in a concise but very clear manner
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (10 chapters)

  1. Front Matter

    Pages i-xiii
    Download chapter PDF

  2. Introduction

    • Jean-Baptiste Durrive
    Pages 1-12

  3. Tools

    • Jean-Baptiste Durrive
    Pages 13-24

  4. Generation of Cosmological Magnetic Fields

    1. Front Matter

      Pages 25-25
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    2. Magnetogenesis by Photoionization

      • Jean-Baptiste Durrive
      Pages 27-51

    3. Magnetogenesis Throughout the Epoch of Reionization

      • Jean-Baptiste Durrive
      Pages 53-63

    4. Numerical Approach

      • Jean-Baptiste Durrive
      Pages 65-68

  5. Gravitational Fragmentation of the Cosmic Web

    1. Front Matter

      Pages 69-69
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    2. Equilibrium States of Cosmic Walls and Filaments

      • Jean-Baptiste Durrive
      Pages 71-83

    3. Spectral Theory

      • Jean-Baptiste Durrive
      Pages 85-121

    4. Stability of Cosmic Walls

      • Jean-Baptiste Durrive
      Pages 123-167

    5. Further Ongoing Works

      • Jean-Baptiste Durrive
      Pages 169-177

    6. Prospects

      • Jean-Baptiste Durrive
      Pages 179-187
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Keywords

About this book

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.

Authors and Affiliations

  • Institut d’Astrophysique Spatiale, Université Paris-Sud, Orsay, France

    Jean-Baptiste Durrive

About the author

Jean-Baptiste Durrive obtained his Ph.D. in Cosmology at the Universite Paris Sud (France) and is currently a postdoctoral researcher at Nagoya University (Japan), working on Dark Energy.

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