Go to:
Logótipo
Comuta visibilidade da coluna esquerda
Você está em: Start > Publications > View > Topological defects: Fossils of an anisotropic era? art. no. 103510
Publication

Publications

Topological defects: Fossils of an anisotropic era? art. no. 103510

Title
Topological defects: Fossils of an anisotropic era? art. no. 103510
Type
Article in International Scientific Journal
Year
2000
Authors
Avelino, PP
(Author)
FCUP
View Personal Page You do not have permissions to view the institutional email. Search for Participant Publications View Authenticus page Without ORCID
Martins, CJAP
(Author)
Other
View Personal Page You do not have permissions to view the institutional email. Search for Participant Publications View Authenticus page Without ORCID
Journal
Title: Physical Review DImported from Authenticus Search for Journal Publications
Vol. 62
Pages: 1-8
ISSN: 2470-0010
Other information
Authenticus ID: P-000-YGF
Abstract (EN): We consider the evolution of domain walls produced during an anisotropic phase in the very early universe, showing that the resulting network can be very anisotropic. If the domain walls are produced during an inflationary era, the network will soon freeze-out in comoving coordinates retaining the imprints of the anisotropic regime, even though inflation makes the universe isotropic. Only at late times, when the typical size of the major axis of the domain walls becomes smaller than the Hubble radius, does the network evolve rapidly towards isotropy. Hence, we may hope to see imprints of the anisotropic era if by today the typical size of the major axis of the domain walls is of the order of the Hubble radius or if the walls reentered it only very recently. Depending on the mass scale of the domain walls, there is also the possibility that they reenter at earlier times, but: their evolution remained friction dominated until recently, in which case the signatures of the anisotropic era will be much better preserved. These effects are expected to occur in generic topological defect models.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 8
Documents
We could not find any documents associated to the publication.
Related Publications

Of the same authors

Topological defects in contracting universes (vol 89, art no 271301, 2002) (2002)
Other Publications
Avelino, PP; Martins, CJAP; C. dos Santos; Shellard, EPS
WMAP constraints on varying alpha and the promise of reionization (2004)
Article in International Scientific Journal
martins, cjap; melchiorri, a; rocha, g; trotta, r; avelino, pp; viana, ptp
VSL theories and the Doppler peak (2000)
Article in International Scientific Journal
Avelino, PP; Martins, CJAP; Rocha, G
Topological defects in contracting universes (2002)
Article in International Scientific Journal
Avelino, PP; Martins, CJAP; C. dos Santos; Shellard, EPS
Topological defects: A problem for cyclic universes? (2003)
Article in International Scientific Journal
Avelino, PP; Martins, CJAP; C. dos Santos; Shellard, EPS

See all (36)

Of the same journal

Thermodynamics of cosmic defect network evolution (2016)
Article in International Scientific Journal
Avelino, PP; Sousa, L
Sound speed as a source of the gravitational field in modified gravity (2024)
Article in International Scientific Journal
Avelino, PP
Soft Pomeron in holographic QCD (2016)
Article in International Scientific Journal
Ballon Bayona, A; Quevedo, RC; Costa, MS; Djuric, M
Signature of inflation in the stochastic gravitational wave background generated by cosmic string networks (2018)
Article in International Scientific Journal
Guedes, GSF; Avelino, PP; Sousa, L
Revisiting the velocity-dependent one-scale model for monopoles (2017)
Article in International Scientific Journal
Sousa, L; Avelino, PP

See all (28)

Recommend this page Top
Copyright 1996-2025 © Faculdade de Direito da Universidade do Porto  I Terms and Conditions  I Acessibility  I Index A-Z
Page created on: 2025-07-13 at 05:58:13 | Privacy Policy | Personal Data Protection Policy | Whistleblowing