Multiple scattering of matter waves: An analytic model of the refractive index for atomic and molecular gases

M. Lemeshko, B. Friedrich, Physical Review A - Atomic, Molecular, and Optical Physics 82 (2010).


Journal Article | Published
Author
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Abstract
We present an analytic model of the refractive index for matter waves propagating through atomic or molecular gases. The model, which combines the Wentzel-Kramers-Brillouin (WKB) treatment of the long-range attraction with the Fraunhofer model treatment of the short-range repulsion, furnishes a refractive index in compelling agreement with recent experiments of Jacquey [Phys. Rev. Lett.PRLTAO0031-900710.1103/PhysRevLett.98.240405 98, 240405 (2007)] on Li atom matter waves passing through dilute noble gases. We show that the diffractive contribution, which arises from scattering by a two-dimensional "hard core" of the potential, is essential for obtaining a correct imaginary part of the refractive index.
Publishing Year
Date Published
2010-08-18
Journal Title
Physical Review A - Atomic, Molecular, and Optical Physics
Volume
82
Issue
2
IST-REx-ID

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Lemeshko M, Friedrich B. Multiple scattering of matter waves: An analytic model of the refractive index for atomic and molecular gases. Physical Review A - Atomic, Molecular, and Optical Physics. 2010;82(2). doi:10.1103/PhysRevA.82.022711
Lemeshko, M., & Friedrich, B. (2010). Multiple scattering of matter waves: An analytic model of the refractive index for atomic and molecular gases. Physical Review A - Atomic, Molecular, and Optical Physics, 82(2). https://doi.org/10.1103/PhysRevA.82.022711
Lemeshko, Mikhail, and Břetislav Friedrich. “Multiple Scattering of Matter Waves: An Analytic Model of the Refractive Index for Atomic and Molecular Gases.” Physical Review A - Atomic, Molecular, and Optical Physics 82, no. 2 (2010). https://doi.org/10.1103/PhysRevA.82.022711.
M. Lemeshko and B. Friedrich, “Multiple scattering of matter waves: An analytic model of the refractive index for atomic and molecular gases,” Physical Review A - Atomic, Molecular, and Optical Physics, vol. 82, no. 2, 2010.
Lemeshko M, Friedrich B. 2010. Multiple scattering of matter waves: An analytic model of the refractive index for atomic and molecular gases. Physical Review A - Atomic, Molecular, and Optical Physics. 82(2).
Lemeshko, Mikhail, and Břetislav Friedrich. “Multiple Scattering of Matter Waves: An Analytic Model of the Refractive Index for Atomic and Molecular Gases.” Physical Review A - Atomic, Molecular, and Optical Physics, vol. 82, no. 2, American Physical Society, 2010, doi:10.1103/PhysRevA.82.022711.

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