Extending the velocity-dependent one-scale string evolution model

• Type: Article in International Scientific Journal
• Date: 2002

Authors

Martins, CJAP (Author) Other; Shellard, EPS (Author) Other

Journal

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

Vol. 65

ISSN: 1550-7998

Publisher: American Physical Society

Indexing

ISI Web of Knowledge - 86 Citations

Scopus - 92 Citations

Other information

Authenticus ID: P-000-QAJ

DOI: 10.1103/physrevd.65.043514

Abstract (EN): We provide a general overview of the velocity-dependent one-scale model for cosmic string evolution and discuss two further extensions to it. We introduce and justify a new ansatz for the momentum parameter k, and also incorporate the effect of radiation back reaction. We thus discuss the evolution of the basic large-scale features of cosmic string networks in all relevant cosmological scenarios, concentrating in-particular on the "scaling" solutions relevant for each case. In a companion paper, we show, by comparing with numerical simulations, that this model provides an accurate description of the large-scale features of cosmic string networks.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 11