Cooperative ordering in lattices of interacting two-level dipoles

被引：75

作者：

Bettles, Robert J. ^{[1
]}

Gardiner, Simon A. ^{[1
]}

Adams, Charles S. ^{[1
]}

机构：

[1] Univ Durham, Dept Phys, Joint Quantum Ctr JQC Durham Newcastle, Durham DH1 3LE, England

来源：

PHYSICAL REVIEW A | 2015年 / 92卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

SPONTANEOUS EMISSION; POLAR-MOLECULES; MOTT INSULATOR; LIGHT; SUPERRADIANT; SCATTERING; ATOMS; GAS; RADIATION; RESONANCE;

D O I：

10.1103/PhysRevA.92.063822

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：6

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