The No-defect Conjecture: Cosmological Implications

Details The No-defect Conjecture: Cosmological Implications The No-defect Conjecture: Cosmological Implications

1998-06-30

arxiv.org/abs/gr-qc/9806117v1

Phys.Rev.D58:087301,1998

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 1 figure, accepted for publication as a brief report in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.58.087301

When the topology of the universe is non trivial, it has been shown that there are constraints on the network of domain walls, cosmic strings and monopoles. I generalize these results to textures and study the cosmological implications of such constraints. I conclude that a large class of multi-connected universes with topological defects accounting for structure formation are ruled out by observation of the cosmic microwave background.

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