Bettles, R.J. and Gardiner, S.A. and Adams, C.S. (2015) 'Cooperative ordering in lattices of interacting two-level dipoles.', Physical review A., 92 (6). 063822.
Abstract
We investigate the cooperative behavior of regular monolayers of driven two-level dipoles, using classical electrodynamics simulations. The dipolar response results from the interference of many cooperative eigenmodes, each frequency-shifted from the single resonant dipole case, and with a modified lifetime, due to the interactions between dipoles. Of particular interest is the kagome lattice, where the semiregular geometry permits simultaneous excitation of two dominant modes, one strongly subradiant, leading to an electromagnetically induced transparencylike interference in a two-level system. The interfering modes are associated with ferroelectric and antiferroelectric ordering in alternate lattice rows with long-range interactions.
| Item Type: | Article |
|---|---|
| Full text: | (VoR) Version of Record Download PDF (700Kb) |
| Status: | Peer-reviewed |
| Publisher Web site: | http://dx.doi.org/10.1103/PhysRevA.92.063822 |
| Publisher statement: | Reprinted with permission from the American Physical Society: Physical Review A 92, 063822 © (2015) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society. |
| Date accepted: | 19 November 2015 |
| Date deposited: | 25 January 2016 |
| Date of first online publication: | December 2015 |
| Date first made open access: | No date available |
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