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Scientific paper - Original scientific paper
Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions
Physical Review A, 82 (2010), 1; 013830. https://doi.org/10.1103/PhysRevA.82.013830
Bahat-Treidel, Omri; Peleg, Or; Segev, Mordechai; Buljan, Hrvoje

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Bahat Treidel, O., Peleg, O., Segev, M. & Buljan, H. (2010). Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions. Physical Review A, 82. (1). doi: 10.1103/PhysRevA.82.013830

Bahat Treidel, Omri, et al. "Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions." Physical Review A, vol. 82, no. 1, 2010. https://doi.org/10.1103/PhysRevA.82.013830

Bahat Treidel, Omri, Or Peleg, Mordechai Segev and Hrvoje Buljan. "Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions." Physical Review A 82, no. 1 (2010). https://doi.org/10.1103/PhysRevA.82.013830

Bahat Treidel, O., et al. (2010) 'Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions', Physical Review A, 82(1). doi: 10.1103/PhysRevA.82.013830

Bahat Treidel O, Peleg O, Segev M, Buljan H. Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions. Physical Review A [Internet]. 2010 [cited 2024 December 23];82(1). doi: 10.1103/PhysRevA.82.013830

O. Bahat Treidel, O. Peleg, M. Segev and H. Buljan, "Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions", Physical Review A, vol. 82, no. 1, 2010. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:292326. [Accessed: 23 December 2024]

Metadata
Title (english)Breakdown of Dirac dynamics in honeycomb lattices due to nonlinear interactions
AuthorOmri Bahat-Treidel
AuthorOr Peleg
AuthorMordechai Segev
AuthorHrvoje Buljan
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
We study the dynamics of coherent waves in nonlinear honeycomb lattices and show that nonlinearity breaks down the Dirac dynamics. As an example, we demonstrate that even a weak nonlinearity has major qualitative effects on one of the hallmarks of honeycomb lattices: conical diffraction. Under linear conditions, a circular input wave packet associated with the Dirac point evolves into a ring, but even a weak nonlinearity alters the evolution such that the emerging beam possesses triangular symmetry, and populates Bloch modes outside of the Dirac cone. Our results are presented in the context of optics, but we propose a scheme to observe equivalent phenomena in Bose-Einstein condensates.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysical Review A
Numberingvol. 82, no. 1, 013830
p-ISSN1050-2947
DOIhttps://doi.org/10.1103/PhysRevA.82.013830
URN:NBNurn:nbn:hr:217:292326
Publication2010
ProjectNumber: 119-0000000-1015
Title (croatian): Nelinearne pojave i valna dinamika u fotoničkim sustavima
Leader: Hrvoje Buljan
Jurisdiction: Croatia
Funding stream: ZP
Document URLhttp://link.aps.org/doi/10.1103/PhysRevA.82.013830
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public noteCopyright (2010) by the American Physical Society. Received 26 April 2010; published 26 July 2010.
Created on2019-11-02 18:55:05