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Uspekhi Fizicheskikh Nauk, 2013, Volume 183, Number 10, Pages 1123–1140
DOI: https://doi.org/10.3367/UFNr.0183.201310j.1123
(Mi ufn4633)
 

This article is cited in 11 scientific papers (total in 11 papers)

METHODOLOGICAL NOTES

Acoustics and optics of absorptive crystals: a universal formalism for topological effects

V. I. Alshits, V. N. Lyubimov

Shubnikov Institute of Cristallography, Russian Academy of Sciences
References:
Abstract: A universal form of the equations for acoustical and optical wave fields in absorptive crystals is obtained. On this basis, a unified formalism is constructed and used to describe the effect of absorption on the topology of polarization fields and wave surfaces of elastic and electromagnetic waves close to conical acoustic and optical axes. Unless forbidden by symmetry, both types of axes are split by absorption, with the consequences that the wave surfaces acquire self-intersection lines connecting pairs of split axes and that new singular points with the Poincaré indices $n = \pm1/4$ arise in the polarization fields. Near the split points, the waves of degenerate branches show an abrupt increase in ellipticity, which transforms the internal conical refraction from a local property along the degeneracy direction into a continuum phenomenon occurring throughout this entire region. For each direction of the wave normal, there is a universal refraction cone, the same as for zero absorption. The ends of ray velocity vectors move along the universal section of this cone. This section is elliptic in acoustics and circular in optics. The kinematics of this precession depend in an essential way on the direction of the wave normal.
Received: February 11, 2013
Revised: May 28, 2013
Accepted: May 27, 2013
English version:
Physics–Uspekhi, 2013, Volume 56, Issue 10, Pages 1021–1037
DOI: https://doi.org/10.3367/UFNe.0183.201310j.1123
Bibliographic databases:
Document Type: Article
PACS: 42.25.Bs, 62.20.-x, 78.20.Fm
Language: Russian
Citation: V. I. Alshits, V. N. Lyubimov, “Acoustics and optics of absorptive crystals: a universal formalism for topological effects”, UFN, 183:10 (2013), 1123–1140; Phys. Usp., 56:10 (2013), 1021–1037
Citation in format AMSBIB
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\paper Acoustics and optics of absorptive crystals: a universal formalism for topological effects
\jour UFN
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\vol 183
\issue 10
\pages 1123--1140
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\adsnasa{https://adsabs.harvard.edu/cgi-bin/bib_query?2013PhyU...56.1021A}
\elib{https://elibrary.ru/item.asp?id=20302601}
\transl
\jour Phys. Usp.
\yr 2013
\vol 56
\issue 10
\pages 1021--1037
\crossref{https://doi.org/10.3367/UFNe.0183.201310j.1123}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000329313100005}
Linking options:
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  • https://www.mathnet.ru/eng/ufn/v183/i10/p1123
  • This publication is cited in the following 11 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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