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Non-existence of topological defects during inflation beyond the critical value

Chiang-Mei Chen-+, Hong-bo Cheng++, Xin-zhou Li++ and Xiang-hua Zhai++

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Using a shooting routine calculation, Basu and Vilenkin introduced a critical value of topological defects during inflation. In this paper, we prove analytically the existence of the Basu - Vilenkin critical value. The thicker defects are smeared out by the expansion.


PACS

98.80.Cq Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.)

11.27.+d Extended classical solutions; cosmic strings, domain walls, texture

MSC

83E30 String and superstring theories (See also 81T30)

83F05 Cosmology

Subjects

Gravitation and cosmology

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 4 (April 1996)

Received 22 September 1995



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