Gravitational Lensing Signature of Long Cosmic Strings

Journal Article · Mon Sep 01 04:00:00 EDT 1997 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.79.1968· OSTI ID:542283

de Laix, A A; Krauss, L M; Vachaspati, T ^[1]; Krauss, L M ^[2]

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1. Physics Department, Case Western Reserve University, Cleveland, Ohio 44106-7079 (United States)
2. Theory Division, CERN, 1211 Geneva (Switzerland)

The gravitational lensing by long, wiggly cosmic strings is shown to produce a large number of lensed images of a background source. In addition to pairs of images on either side of the string, a number of small images outline the string due to small-scale structure on the string. This image pattern could provide a highly distinctive signature of cosmic strings. Since the optical depth for multiple imaging of distant quasar sources by long strings may be comparable to that by galaxies, these image patterns should be clearly observable in the next generation of redshift surveys such as the Sloan digital sky survey. {copyright} {ital 1997} {ital The American Physical Society}

• OSTI ID: 542283
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 11 Vol. 79; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
COSMOLOGY
GALAXIES
GRAVITATIONAL FIELDS
GRAVITATIONAL LENSES
GRAVITATIONAL RADIATION
IMAGES
QUASARS
SIMULATION
SPACE-TIME
STRING MODELS