dorsal/arxiv
View SchemaSub- and super-radiance over macroscopic distances using a perfect lens with negative refraction
| Authors | Juergen Kaestel, Michael Fleischhauer |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0404063 |
| URL | https://arxiv.org/abs/quant-ph/0404063 |
Abstract
Two atoms put at the foci of a perfect lens [J.B. Pendry, Phys. Ref. Lett. 85, 3966 (2000)] are shown to exhibit perfect sub- and super-radiance even over macroscopic distances limited only by the propagation length in the free-space decay time. If the left-handed material forming the perfect lens has nearly constant negative refraction and vanishing absorption over a spectral range larger than the natural linewidth, the imaginary part of the retarded Greens-function between the two focal points is identical to the one at the same spatial position and the atoms undergo a Markovian dynamics. Collective decay rates and level shifts are calculated from the Greens-function of the Veselago-Pendry lens and limitation as well as potential applications are discussed.
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"abstract": "Two atoms put at the foci of a perfect lens [J.B. Pendry, Phys. Ref. Lett.\n85, 3966 (2000)] are shown to exhibit perfect sub- and super-radiance even over\nmacroscopic distances limited only by the propagation length in the free-space\ndecay time. If the left-handed material forming the perfect lens has nearly\nconstant negative refraction and vanishing absorption over a spectral range\nlarger than the natural linewidth, the imaginary part of the retarded\nGreens-function between the two focal points is identical to the one at the\nsame spatial position and the atoms undergo a Markovian dynamics. Collective\ndecay rates and level shifts are calculated from the Greens-function of the\nVeselago-Pendry lens and limitation as well as potential applications are\ndiscussed.",
"arxiv_id": "quant-ph/0404063",
"authors": [
"Juergen Kaestel",
"Michael Fleischhauer"
],
"categories": [
"quant-ph"
],
"title": "Sub- and super-radiance over macroscopic distances using a perfect lens with negative refraction",
"url": "https://arxiv.org/abs/quant-ph/0404063"
},
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