Автор |
Kaiki Taro Inoue |
Дата выпуска |
2001-05-21 |
dc.description |
In this paper, the cosmic microwave background (CMB) anisotropy in a multiply connected compact flat 3-torus model with the cosmological constant is investigated. Using the COBE-DMR four-year data, a full Bayesian analysis revealed that the constraint on the topology of the flat 3-torus model with low matter density is less stringent. As in compact hyperbolic models, the large-angle temperature fluctuations can be produced as the gravitational potential decays at the Λ-dominant epoch well after the last scattering. The maximum allowed number of images of the cell, N (fundamental domain), within the observable region at present is approximately 49 for Ω<sub>m</sub> = 0.1 and Ω<sub>Λ</sub> = 0.9, whereas N~8 for Ω<sub>m</sub> = 1.0 and Ω<sub>Λ</sub> = 0. |
Формат |
application.pdf |
Издатель |
Institute of Physics Publishing |
Название |
COBE constraints on a compact toroidal low-density universe |
Тип |
paper |
DOI |
10.1088/0264-9381/18/10/310 |
Electronic ISSN |
1361-6382 |
Print ISSN |
0264-9381 |
Журнал |
Classical and Quantum Gravity |
Том |
18 |
Первая страница |
1967 |
Последняя страница |
1978 |
Аффилиация |
Kaiki Taro Inoue; National Astronomical Observatory, Division of Theoretical Astrophysics, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan |
Выпуск |
10 |