dorsal/arxiv
View SchemaOn the suppression of the diffusion and the quantum nature of a cavity mode. Optical bistability; forces and friction in driven cavities
| Authors | K. Murr |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0304015 |
| URL | https://arxiv.org/abs/quant-ph/0304015 |
| DOI | 10.1088/0953-4075/36/12/311 |
| Journal | J.Phys.B: At. Mol.Opt.Phys 36 (2003) 2515-2537 |
Abstract
A new analytical method is presented here, offering a physical view of driven cavities where the external field cannot be neglected. We introduce a new dimensionless complex parameter, intrinsically linked to the cooperativity parameter of optical bistability, and analogous to the scaled Rabbi frequency for driven systems where the field is classical. Classes of steady states are iteratively constructed and expressions for the diffusion and friction coefficients at lowest order also derived. They have in most cases the same mathematical form as their free-space analog. The method offers a semiclassical explanation for two recent experiments of one atom trapping in a high Q cavity where the excited state is significantly saturated. Our results refute both claims of atom trapping by a quantized cavity mode, single or not. Finally, it is argued that the parameter newly constructed, as well as the groundwork of this method, are at least companions of the cooperativity parameter and its mother theory. In particular, we lay the stress on the apparently more fundamental role of our structure parameter.
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"abstract": "A new analytical method is presented here, offering a physical view of driven\ncavities where the external field cannot be neglected. We introduce a new\ndimensionless complex parameter, intrinsically linked to the cooperativity\nparameter of optical bistability, and analogous to the scaled Rabbi frequency\nfor driven systems where the field is classical. Classes of steady states are\niteratively constructed and expressions for the diffusion and friction\ncoefficients at lowest order also derived. They have in most cases the same\nmathematical form as their free-space analog. The method offers a semiclassical\nexplanation for two recent experiments of one atom trapping in a high Q cavity\nwhere the excited state is significantly saturated. Our results refute both\nclaims of atom trapping by a quantized cavity mode, single or not. Finally, it\nis argued that the parameter newly constructed, as well as the groundwork of\nthis method, are at least companions of the cooperativity parameter and its\nmother theory. In particular, we lay the stress on the apparently more\nfundamental role of our structure parameter.",
"arxiv_id": "quant-ph/0304015",
"authors": [
"K. Murr"
],
"categories": [
"quant-ph"
],
"doi": "10.1088/0953-4075/36/12/311",
"journal_ref": "J.Phys.B: At. Mol.Opt.Phys 36 (2003) 2515-2537",
"title": "On the suppression of the diffusion and the quantum nature of a cavity mode. Optical bistability; forces and friction in driven cavities",
"url": "https://arxiv.org/abs/quant-ph/0304015"
},
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