U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Resonant Magnetic Field Control of Elastic Scattering in Cold 85Rb

Published

Author(s)

J L. Roberts, N R. Claussen, J P. Burke, C H. Greene, Eric A. Cornell, C E. Wieman

Abstract

A magnetic field-dependent Feshbach resonance has been observed in the elastic scattering collision rate between stoms in the F = 2, M = -2 state of 85Rb. Changing the magnetic field by several Gauss caused the collision rate to vary by a factor of 104, and the sign of the scattering length could be reversed. The resonance peak is at 155.2 (4) G and its width is 11.6(5) G. From these results we extract much improved values for the three quantitites that characterize the interaction potential: The van der Walls coefficient C6, the singlet scattering length as, and the triplet scattering length ar.
Citation
Physical Review Letters
Volume
81
Issue
No. 23
Pub Type
Journals

Keywords

Bose-Einstein condensation, interatomic potentials, optical cooling of atoms, scattering of atoms, trapping

Citation

Roberts, J. , Claussen, N. , Burke, J. , Greene, C. , Cornell, E. and Wieman, C. (1998), Resonant Magnetic Field Control of Elastic Scattering in Cold 85Rb, Physical Review Letters (Accessed April 2, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created November 30, 1998, Updated October 12, 2021