Probing the early universe with the CMB scalar, vector and tensor bispectrum /
The non-Gaussianity in the primordial density fluctuations is a key feature to clarify the early Universe and it has been probed with the Cosmic Microwave Background (CMB) bispectrum. In recent years, we have treated the novel-type CMB bispectra, which originate from the vector- and tensor-mode pert...
| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
Tokyo ; New York :
Springer,
c2013
Tokyo ; New York : ©2013 |
| Series: | Springer theses
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| Subjects: |
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| 100 | 1 | |a Shiraishi, Maresuke |1 http://viaf.org/viaf/305285433 | |
| 100 | 1 | |a Shiraishi, Maresuke | |
| 245 | 1 | 0 | |a Probing the early universe with the CMB scalar, vector and tensor bispectrum / |c Maresuke Shiraishi |
| 260 | |a Tokyo ; |a New York : |b Springer, |c c2013 | ||
| 260 | |a Tokyo ; |a New York : |b Springer, |c ©2013 | ||
| 300 | |a 1 online resource | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 490 | 1 | |a Springer theses, |x 2190-5053 | |
| 500 | |a "Doctoral thesis accepted by Nagoya University, Nagoya, Aichi, Japan." | ||
| 500 | |a "Doctoral thesis accepted by Nagoya University, Nagoya, Aichi, Japan."-- t.p | ||
| 502 | |a Thesis (PhD.)-- Nagoya University | ||
| 502 | |b Ph. D |c Nagoya University | ||
| 504 | |a Includes bibliographical references | ||
| 505 | 0 | |a Introduction -- Fluctuations in the inflation -- Fluctuations in℗¡cosmic microwave background radiation -- Primordial non-Gaussianities -- General formalism for the CMB bispectrum from primordial scalar, vector and tensor non-Gaussianities -- CMB bispectrum Induced by the two scalars and a graviton correlator -- Violation of the rotational invariance in the CMB bispectrum -- Parity violation of gravitons in the CMB bispectrum -- CMB bispectrum generated from primordial magnetic fields -- Conclusion | |
| 520 | |a The non-Gaussianity in the primordial density fluctuations is a key feature to clarify the early Universe and it has been probed with the Cosmic Microwave Background (CMB) bispectrum. In recent years, we have treated the novel-type CMB bispectra, which originate from the vector- and tensor-mode perturbations and include the violation of the rotational or parity invariance. On the basis of our current works, this thesis provides the general formalism for the CMB bispectrum sourced by the non-Gaussianity in the scalar, vector and tensor-mode perturbations. Applying this formalism, we calculate the CMB bispectra from the two scalars and a graviton correlation and primordial magnetic fields, and then outline new constraints on these magnitudes. Furthermore, this formalism can be easily extended to the cases where the rotational or parity invariance is broken. We also compute the CMB bispectra from the scalar-mode non-Gaussianities with a preferred direction and the tensor-mode non-Gaussianities induced by the parity-violating Weyl cubic terms. Here, we show that these bispectra include unique signals, which any symmetry-invariant models can never produce | ||
| 588 | |a Description based on online resource; title from PDF title page (SpringerLink, viewed July 23, 2013) | ||
| 588 | 0 | |a Online resource; title from PDF title page (SpringerLink, viewed July 23, 2013) | |
| 650 | 0 | |a Cosmic background radiation | |
| 650 | 6 | |a Rayonnement cosmologique | |
| 650 | 7 | |a Astronomie |2 eclas | |
| 650 | 7 | |a Cosmic background radiation |2 fast | |
| 650 | 7 | |a Physique |2 eclas | |
| 650 | 7 | |a SCIENCE |x Cosmology |2 bisacsh | |
| 653 | 4 | |a Astronomy | |
| 653 | 4 | |a Astronomy, Astrophysics and Cosmology | |
| 653 | 4 | |a Mathematical Methods in Physics | |
| 653 | 4 | |a Mathematical physics | |
| 653 | 4 | |a Physics | |
| 653 | 0 | 0 | |a applied mathematics |
| 653 | 0 | 0 | |a astronomie |
| 653 | 0 | 0 | |a fysica |
| 653 | 0 | 0 | |a mathematische natuurkunde |
| 653 | 0 | 0 | |a toegepaste wiskunde |
| 653 | 1 | 0 | |a Fysica (algemeen) |
| 653 | 1 | 0 | |a Physics (General) |
| 655 | 4 | |a Electronic books | |
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| 830 | 0 | |a Springer theses | |
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