Collisional properties of trapped cold chromium atoms

Zoran Pavlović; Björn O. Roos; Robin Côté; H. R. Sadeghpour

doi:10.1103/PhysRevA.69.030701

Collisional properties of trapped cold chromium atoms

Zoran Pavlović
, Björn O. Roos
, Robin Côté
, H. R. Sadeghpour

Physics

University of Connecticut
Lund University
60 Garden Street

Research output: Contribution to journal › Article › peer-review

Abstract

The calculations of the thermalization rate and elastic cross section for collision between two maximally spin-polarized chromium atoms in ultracold and cold regimes, relevent to magneto-optical cooling and to buffer-gas are discussed. Ab initio potential-energy curves for Cr₂ and the van der Waals coefficient C₆ is calculated. The interaction potentials between two colliding Cr atoms is constructed. The effect of shape resonances on the elastic cross section is explored. It was found that they affect the thermalization rate.

Original language	English
Article number	030701
Pages (from-to)	030701-1-030701-4
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	69
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.69.030701
State	Published - Mar 2004

ASJC Scopus Subject Areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.69.030701

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abstract = "The calculations of the thermalization rate and elastic cross section for collision between two maximally spin-polarized chromium atoms in ultracold and cold regimes, relevent to magneto-optical cooling and to buffer-gas are discussed. Ab initio potential-energy curves for Cr2 and the van der Waals coefficient C6 is calculated. The interaction potentials between two colliding Cr atoms is constructed. The effect of shape resonances on the elastic cross section is explored. It was found that they affect the thermalization rate.",

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AB - The calculations of the thermalization rate and elastic cross section for collision between two maximally spin-polarized chromium atoms in ultracold and cold regimes, relevent to magneto-optical cooling and to buffer-gas are discussed. Ab initio potential-energy curves for Cr2 and the van der Waals coefficient C6 is calculated. The interaction potentials between two colliding Cr atoms is constructed. The effect of shape resonances on the elastic cross section is explored. It was found that they affect the thermalization rate.

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Collisional properties of trapped cold chromium atoms

Abstract

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