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The Rotation and Distortion of the Universe
Open accessAbstract
The isotropy of the microwave background is used to place upper limits on the large-scale anisotropics of the Universe. This is done by considering the behaviour of the microwave background in all types of spatially homogeneous models that could reasonably represent our Universe. If the Universe is closed, we find that it is rotating at a rate of less than 3 × 10 −11 second of arc/century if the microwave background was last scattered at a redshift of about 7 and less than 2 × 10 −14 second of arc/century if the last scattering was at a redshift of 1000. We also calculate how far back in time the Universe must have been nearly isotropic. In the case of one extreme hyperbolic model, it seems that it could have been highly anisotropic at a redshift greater than about 4. The significance of these results for galaxy formation is briefly discussed.
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This is not unlike the situation in regular (isotropic) 4d open bubble inflation, where the inflationary spectrum is also modified at q O(1).
“This is not unlike the situation in regular (isotropic) 4d open bubble inflation, where the inflationary spectrum is also modified at q O(1) [53,54,55].”
From Observable effects of anisotropic bubble nucleation (2010) · cites this paper as [55]
The Introduction (p. 1) and Type IX discussion (p. 8) concern isotropic cosmological models and microwave-background anisotropy, not open bubble inflation. Searches for an inflationary spectrum modified at q of order one and for low-wavenumber effects in open inflation found no passage addressing the claim. (LLM, conf=0.75)
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Research works printed but not linked: 2
- Robertson, H. P., 1929. Proc. nat. Acad. Sci., 15, 822.
- Walker, A. G., 1936. Proc. Lond. math. Soc., (2), 42, 90.
Cited by
Sorted by citations
Anisotropy damping through quantum effects in the early universe
Hu, B. L., & Parker, L. (1978) · Physical Review D · doi:10.1103/physrevd.17.933 · Cited by 243
Observable effects of anisotropic bubble nucleation
Blanco-Pillado, J. J., & Salem, M. P. (2010) · Journal of Cosmology and Astroparticle Physics · doi:10.1088/1475-7516/2010/07/007 · Cited by 44
Metadata
- Authors
- Collins, C. B., Hawking, S. W., & Sciama, D. W.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 1973-06-01
- Volume
- 162
- Issue
- 4
- Pages
- 307-320
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2043384943
- Cited by
- 263
- References
- 0
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 6 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 6 · 2019: 26 · 2018: 2 · 2017: 3 · 2016: 3 · 2014: 4 · 2013: 3 · 2012: 2
- FWCI
- 7.64
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Monthly Notices of the Royal Astronomical Society (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Galaxies: Formation, Evolution, Phenomena
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Stellar, planetary, and galactic studies
- Keywords
- cosmic rotation, cosmic anisotropy, cosmic microwave background isotropy, last scattering surface, spatially homogeneous cosmological models, closed universe, primordial anisotropy, galaxy formation
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