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Teoreticheskaya i Matematicheskaya Fizika, 2015, Volume 184, Number 1, Pages 160–174
DOI: https://doi.org/10.4213/tmf8858 (Mi tmf8858) 		 
This article is cited in 4 scientific papers (total in 4 papers)

Gravitational lensing by straight cosmic strings

A. T. Kotvitskiiab

a Karazin Kharkiv National University, Kharkiv, Ukraine
b National Academy of Sciences of Ukraine, Kharkiv, Ukraine
Full-text PDF (849 kB) Citations (4)
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DOI: https://doi.org/10.4213/tmf8858
Abstract: We consider effects due to gravitational lensing by hypothetical cosmic strings. We briefly review facts concerning infinite straight strings, obtain the equation for a gravitational lens produced by an infinite string in the classical form, and analyze features of the gravitational lensing for a given object in detail. We consider a finite straight string. We present caustics and critical curves for strings with different lengths and also some images produced by the considered gravitational lens. We propose a method for constructing brightness curves numerically. As an example of the working capacity of this method, we construct a concrete brightness curve for certain gravitational lens parameters.
Keywords: gravitational lens, cosmic string, microlensing, brightness curve.
Received: 20.01.2015
Revised: 11.02.2015
English version:
Theoretical and Mathematical Physics, 2015, Volume 184, Issue 1, Pages 1033–1046
DOI: https://doi.org/10.1007/s11232-015-0315-x
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. T. Kotvitskii, “Gravitational lensing by straight cosmic strings”, TMF, 184:1 (2015), 160–174; Theoret. and Math. Phys., 184:1 (2015), 1033–1046
Citation in format AMSBIB
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  • https://www.mathnet.ru/eng/tmf/v184/i1/p160
    • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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