Photonic band gap in the triangular lattice of Bose-Einstein-condensate vortices

We investigate the photonic bands of an atomic Bose-Einstein condensate with a triangular vortex lattice. Index contrast between the vortex cores and the bulk of the condensate is achieved through the enhancement of the index via atomic coherence. The frequency-dependent dielectric function is used...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2007-06, Vol.75 (6), Article 063627
Main Authors: Taşgın, M. E., Müstecaplıoğlu, Ö. E., Oktel, M. Ö.
Format: Article
Language:English
Subjects:
BOSE-EINSTEIN CONDENSATION
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DIELECTRIC MATERIALS
FREQUENCY DEPENDENCE
FUNCTIONS
QUANTUM FIELD THEORY
VORTICES
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Summary:We investigate the photonic bands of an atomic Bose-Einstein condensate with a triangular vortex lattice. Index contrast between the vortex cores and the bulk of the condensate is achieved through the enhancement of the index via atomic coherence. The frequency-dependent dielectric function is used in the calculations of the bands, resulting in photonic band gap widths of a few megahertz.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.75.063627