dorsal/arxiv
View SchemaCoherent radiation from neutral molecules moving above a grating
| Authors | Alexey Belyanin, Federico Capasso, Vitaly Kocharovsky, Vladimir Kocharovsky |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0110072 |
| URL | https://arxiv.org/abs/quant-ph/0110072 |
| DOI | 10.1103/PhysRevLett.88.053602 |
Abstract
We predict and study the quantum-electrodynamical effect of parametric self-induced excitation of a molecule moving above the dielectric or conducting medium with periodic grating. In this case the radiation reaction force modulates the molecular transition frequency which results in a parametric instability of dipole oscillations even from the level of quantum or thermal fluctuations. The present mechanism of instability of electrically neutral molecules is different from that of the well-known Smith-Purcell and transition radiation in which a moving charge and its oscillating image create an oscillating dipole. We show that parametrically excited molecular bunches can produce an easily detectable coherent radiation flux of up to a microwatt.
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"abstract": "We predict and study the quantum-electrodynamical effect of parametric\nself-induced excitation of a molecule moving above the dielectric or conducting\nmedium with periodic grating. In this case the radiation reaction force\nmodulates the molecular transition frequency which results in a parametric\ninstability of dipole oscillations even from the level of quantum or thermal\nfluctuations. The present mechanism of instability of electrically neutral\nmolecules is different from that of the well-known Smith-Purcell and transition\nradiation in which a moving charge and its oscillating image create an\noscillating dipole.\n We show that parametrically excited molecular bunches can produce an easily\ndetectable coherent radiation flux of up to a microwatt.",
"arxiv_id": "quant-ph/0110072",
"authors": [
"Alexey Belyanin",
"Federico Capasso",
"Vitaly Kocharovsky",
"Vladimir Kocharovsky"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.88.053602",
"title": "Coherent radiation from neutral molecules moving above a grating",
"url": "https://arxiv.org/abs/quant-ph/0110072"
},
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