dorsal/arxiv
View SchemaPhase-space analysis of bosonic spontaneous emission
| Authors | M. K. Olsen, L. I. Plimak, S. Rebic, A. S. Bradley |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0505011 |
| URL | https://arxiv.org/abs/quant-ph/0505011 |
| DOI | 10.1016/j.optcom.2005.06.006 |
Abstract
We present phase-space techniques for the modelling of spontaneous emission in two-level bosonic atoms. The positive-P representation is shown to give a full and complete description and can be further developed to give exact treatments of the interaction of degenerate bosons with the electromagnetic field in a given experimental situation. The Wigner representation, even when truncated at second order, is shown to need a doubling of the phase-space to allow for a positive-definite diffusion matrix in the appropriate Fokker-Planck equation and still fails to agree with the full quantum results of the positive-P representation. We show that quantum statistics and correlations between the ground and excited states affect the dynamics of the emission process, so that it is in general non-exponential.
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"abstract": "We present phase-space techniques for the modelling of spontaneous emission\nin two-level bosonic atoms. The positive-P representation is shown to give a\nfull and complete description and can be further developed to give exact\ntreatments of the interaction of degenerate bosons with the electromagnetic\nfield in a given experimental situation. The Wigner representation, even when\ntruncated at second order, is shown to need a doubling of the phase-space to\nallow for a positive-definite diffusion matrix in the appropriate Fokker-Planck\nequation and still fails to agree with the full quantum results of the\npositive-P representation. We show that quantum statistics and correlations\nbetween the ground and excited states affect the dynamics of the emission\nprocess, so that it is in general non-exponential.",
"arxiv_id": "quant-ph/0505011",
"authors": [
"M. K. Olsen",
"L. I. Plimak",
"S. Rebic",
"A. S. Bradley"
],
"categories": [
"quant-ph"
],
"doi": "10.1016/j.optcom.2005.06.006",
"title": "Phase-space analysis of bosonic spontaneous emission",
"url": "https://arxiv.org/abs/quant-ph/0505011"
},
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