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Springer Theses

The Vector Mode in the Second-order Cosmological Perturbation Theory

Authors: Saga, Shohei

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  • Nominated as an outstanding PhD thesis by the Nagoya University, Japan
  • Skillfully describes the development of the complete formalism for the second-order cosmological perturbation theory, involving vector and tensor modes
  • Proposes a scenario of magnetic field generation in the second-order perturbation theory
  • Quantifies the weak lensing signals from the second-order vector and tensor modes to provide forecasts for future experiments
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eBook $89.00
price for USA in USD (gross)
  • ISBN 978-981-10-8007-4
  • Digitally watermarked, DRM-free
  • Included format: PDF, EPUB
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $139.99
price for USA in USD
  • ISBN 978-981-10-8006-7
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $119.99
price for USA in USD
  • ISBN 978-981-13-5690-2
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
About this book

This thesis sheds valuable new light on the second-order cosmological perturbation theory, extensively discussing it in the context of cosmic microwave background (CMB) fluctuations. It explores the observational consequences of the second-order vector mode, and addresses magnetic field generation and the weak lensing signatures, which are key phenomena of the vector mode.

The author demonstrates that the second-order vector mode, which never appears at the linear-order level, naturally arises from the non-linear coupling of the first-order scalar modes. This leads to the remarkable statement that the vector-order mode clearly contributes to the generation of cosmological magnetic fields. Moreover, the weak lensing observations are shown to be accessible to the vector mode. On the basis of ongoing and forthcoming observations, the thesis concludes that the second-order vector mode is detectable.

About the authors

Dr. Shohei Saga is a JSPS research Fellow at Yukawa Institute for Theoretical Physics, Kyoto University. His work mainly involves observational cosmology. He received his Bachelor of Science from Nagoya University in 2012, and his Master and Doctor of Science from the Department of Physics, Nagoya University in 2014 and 2017, respectively.  In March 2014, he was awarded the 2013 Dean Prize by the Department of Physics, Nagoya University.

Table of contents (6 chapters)

Table of contents (6 chapters)
  • Introduction

    Pages 1-13

    Saga, Shohei

  • Basics of Cosmological Perturbation Theory

    Pages 15-51

    Saga, Shohei

  • Generation of Magnetic Fields

    Pages 53-73

    Saga, Shohei

  • Weak Lensing

    Pages 75-106

    Saga, Shohei

  • 21 cm Lensing in the Dark Ages

    Pages 107-128

    Saga, Shohei

Buy this book

eBook $89.00
price for USA in USD (gross)
  • ISBN 978-981-10-8007-4
  • Digitally watermarked, DRM-free
  • Included format: PDF, EPUB
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $139.99
price for USA in USD
  • ISBN 978-981-10-8006-7
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $119.99
price for USA in USD
  • ISBN 978-981-13-5690-2
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
The Vector Mode in the Second-order Cosmological Perturbation Theory
Authors
Series Title
Springer Theses
Copyright
2018
Publisher
Springer Singapore
Copyright Holder
Springer Nature Singapore Pte Ltd.
eBook ISBN
978-981-10-8007-4
DOI
10.1007/978-981-10-8007-4
Hardcover ISBN
978-981-10-8006-7
Softcover ISBN
978-981-13-5690-2
Series ISSN
2190-5053
Edition Number
1
Number of Pages
XIII, 136
Number of Illustrations
11 illustrations in colour
Topics