Photon Recoil in Light Scattering by a Bose–Einstein Condensate of a Dilute Gas

Photon recoil upon light scattering by a Bose–Einstein condensate (BEC) of a dilute atomic gas is analyzed theoretically accounting for a weak interatomic interaction. Our approach is based on the Gross–Pitaevskii equation for the condensate, which is coupled to the Maxwell equation for the field. T...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2020-03, Vol.130 (3), p.380-386
Main Authors: Avetisyan, Yu. A., Malyshev, V. A., Trifonov, E. D.
Format: Article
Language:English
Subjects:
Atoms
Bose-Einstein condensates
Classical and Quantum Gravitation
Dilution
Dispersion
Elementary Particles
Light
Light scattering
Maxwell's equations
Molecules
Momentum
Optics
Particle and Nuclear Physics
Photons
Physics
Physics and Astronomy
Quantum Field Theory
Recoil
Relativity Theory
Solid State Physics
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Summary:Photon recoil upon light scattering by a Bose–Einstein condensate (BEC) of a dilute atomic gas is analyzed theoretically accounting for a weak interatomic interaction. Our approach is based on the Gross–Pitaevskii equation for the condensate, which is coupled to the Maxwell equation for the field. The dispersion relations of recoil energy and momentum are calculated, and the effect of weak nonideality of the condensate on the photon recoil is ubraveled. A good agreement between the theory and experiment [7] on the measurement of the photon recoil momentum in a dispersive medium is demonstrated.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776120010124