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TMF, 2015, Volume 184, Number 1, Pages 160–174 (Mi tmf8858)  

This article is cited in 1 scientific paper (total in 1 paper)

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

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

DOI: https://doi.org/10.4213/tmf8858

Full text: PDF file (849 kB)
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English version:
Theoretical and Mathematical Physics, 2015, 184:1, 1033–1046

Bibliographic databases:

Received: 20.01.2015
Revised: 11.02.2015

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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\paper Gravitational lensing by straight cosmic strings
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\pages 1033--1046
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  • https://doi.org/10.4213/tmf8858
  • http://mi.mathnet.ru/eng/tmf/v184/i1/p160

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. A. T. Kotvytskiy, S. D. Bronza, V. Yu. Shablenko, “The analysis of images in $n$-point gravitational lens by methods of algebraic geometry”, Acta Polytech., 57:6 (2017), 404–411  crossref  isi  scopus
  • Теоретическая и математическая физика Theoretical and Mathematical Physics
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