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The Vector Mode in the Second-order Cosmological Perturbation Theory

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The Vector Mode in the Second-order Cosmological Perturbation Theory/ by Shohei Saga.
作者:	Saga, Shohei.
面頁冊數:	XIII, 136 p. 11 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Cosmology. -
電子資源:	https://doi.org/10.1007/978-981-10-8007-4
ISBN:	9789811080074

The Vector Mode in the Second-order Cosmological Perturbation Theory
Saga, Shohei.

The Vector Mode in the Second-order Cosmological Perturbation Theory[electronic resource] /by Shohei Saga. - 1st ed. 2018. - XIII, 136 p. 11 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

Introduction -- Basics of Cosmological Perturbation Theory -- Generation of Magnetic Fields -- Weak Lensing -- 21cm Lensing in the Dark Ages -- Summary of this Thesis.

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.

ISBN: 9789811080074

Standard No.: 10.1007/978-981-10-8007-4doiSubjects--Topical Terms:

579761
Cosmology.

LC Class. No.: QB980-991

Dewey Class. No.: 523.1

The Vector Mode in the Second-order Cosmological Perturbation Theory
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