Quantum scattering of a two-level atom in the limit of large detuning

Dyrting, S. and Milburn, G. J. (1994) Quantum scattering of a two-level atom in the limit of large detuning. Physical Review A, 49 5: 4180-4188. doi:10.1103/PhysRevA.49.4180

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Author Dyrting, S.
Milburn, G. J.
Title Quantum scattering of a two-level atom in the limit of large detuning
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 1994-05
Sub-type Article (original research)
DOI 10.1103/PhysRevA.49.4180
Open Access Status File (Publisher version)
Volume 49
Issue 5
Start page 4180
End page 4188
Total pages 9
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract In this paper we investigate the scattering of a two-level atom in a traveling or standing wave in the limit of large detuning. We show that these two systems are examples of nontrivial motion which is straightforward to treat using the unified scattering formalism of Tanguy and co-workers [J. Phys. B 17, 4623 (1984)]. This enables us to compare the diffractive and diffusive approximations with the exact solution of the effective master equation. Our analysis is fully quantum mechanical and in our numerical treatment of the effective master equation we are able to include spontaneous emission to all orders. We find that whereas the diffractive approximation correctly describes scattering from a traveling and a standing wave for short interaction times, the diffusive approximation cannot account for the persistence of diffractive structure for the case of the standing wave. To get good agreement we use an approximation which incorporates both diffractive and diffusive effects.
Keyword Resonance-Radiation Pressure
Standing-Wave Radiation
Diffusive Regimes
Deflection
Beam
Diffraction
Transition
Light
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
 
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