Defect junctions and domain wall dynamics

• Tipo: Artigo em Revista Científica Internacional
• Data: 2006

Autores

P. P. Avelino (Autor) Outra; C.J.A.P. Martins (Autor) Outra; J. Menezes (Autor) Outra; R. menezes (Autor) Outra; Joana Cassilda Rodrigues Espain de Oliveira (Autor) FEUP

Revista

Título: Physical Review D - Particles, Fields, Gravitation and Cosmology

Vol. 73 Nº 123520

Páginas: 1-13

ISSN: 1550-7998

Editora: American Physical Society

Indexação

ISI Web of Knowledge - 29 Citações

ISI Web of Science

Scopus - 33 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Física

CORDIS: Ciências Físicas > Astronomia > Cosmologia

Outras Informações

ID Authenticus: P-004-KKN

Abstract (EN): We study a number of domain wall forming models where various types of defect junctions can exist. These illustrate some of the mechanisms that will determine the evolution of defect networks with junctions. Understanding these mechanisms is vital for a proper assessment of a number of cosmological scenarios: we will focus on the issue of whether or not cosmological frustrated domain wall networks can exist at all, but our results are also relevant for the dynamics of cosmic (super)strings, where junctions are expected to be ubiquitous. We also define and discuss the properties that would make up the ideal model in terms of hypothetical frustrated wall networks, and provide an explicit construction for such a model. We carry out a number of numerical simulations of the evolution of these networks, analyze and contrast their results, and discuss their implications for our no-frustration conjecture.

Idioma: Português

Tipo (Avaliação Docente): Científica