Gravitational Lensing Signature of Long Cosmic Strings | Zendy

Andrew A. de Laix | Zendy; Lawrence M. Krauss | Zendy; Tanmay Vachaspati | Zendy

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Gravitational Lensing Signature of Long Cosmic Strings

Author(s) -

Andrew A. de Laix,

Lawrence M. Krauss,

Tanmay Vachaspati

Publication year - 1997

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.79.1968

Subject(s) - physics , cosmic string , gravitational lens , quasar , sky , galaxy , signature (topology) , astrophysics , strong gravitational lensing , cosmic cancer database , redshift , string (physics) , weak gravitational lensing , gravitation , observable , astronomy , theoretical physics , geometry , mathematics , quantum mechanics

The gravitational lensing by long, wiggly cosmic strings is shown to producea large number of lensed images of a background source. In addition to pairs ofimages on either side of the string, a number of small images outline thestring due to small-scale structure on the string. This image pattern couldprovide a highly distinctive signature of cosmic strings. Since the opticaldepth for multiple imaging of distant quasar sources by long strings may becomparable to that by galaxies, these image patterns should be clearlyobservable in the next generation of redshift surveys such as the Sloan DigitalSky Survey.Comment: 4 pages, revtex with 3 postscript figures include

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