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Title: The effects of hyperfine interactions on collisions between optically trapped atoms

Abstract

The authors report measurements of excited state collision rates of optically trapped {sup 85}Rb and {sup 87}Rb. The collision rates have been measured in the vicinity of the P{sub 3/2} and P{sub 1/2} states of both isotopes. By studying the collision rates as a function of the frequency of light used to cause the collisions, they obtain collision spectra that reveal the importance of hyperfine interactions on the collision dynamics. In certain frequency ranges the collision rates for the two isotopes are nearly identical, while in others they find substantially reduced rates for {sup 87}Rb (large hyperfine interaction) as compared to {sup 85}Rb (small hyperfine interaction). For the P{sub 1/2} states, where hyperfine splittings are large compared to the characteristic frequency scales for these collisions, the shapes of the spectra more closely correspond to those expected from simple models that neglect hyperfine interactions.

Authors:
; ; ;  [1]
  1. Univ. of Wisconsin, Madison, WI (United States)
Publication Date:
OSTI Identifier:
67864
Report Number(s):
CONF-9310400-
Journal ID: BAPSA6; ISSN 0003-0503; CNN: Grant PHY-9257058;Grant PHY-9213666; TRN: 95:000870-0026
Resource Type:
Journal Article
Journal Name:
Bulletin of the American Physical Society
Additional Journal Information:
Journal Volume: 38; Journal Issue: 13; Conference: 46. annual gaseous electronics conference, Montreal (Canada), 19-22 Oct 1993; Other Information: PBD: Dec 1993
Country of Publication:
United States
Language:
English
Subject:
66 PHYSICS; RUBIDIUM 85; TRAPPING; ATOM-ATOM COLLISIONS; RUBIDIUM 87; HYPERFINE STRUCTURE

Citation Formats

Walker, T, Hoffmann, D, Peters, M, and Tobiason, J. The effects of hyperfine interactions on collisions between optically trapped atoms. United States: N. p., 1993. Web.
Walker, T, Hoffmann, D, Peters, M, & Tobiason, J. The effects of hyperfine interactions on collisions between optically trapped atoms. United States.
Walker, T, Hoffmann, D, Peters, M, and Tobiason, J. 1993. "The effects of hyperfine interactions on collisions between optically trapped atoms". United States.
@article{osti_67864,
title = {The effects of hyperfine interactions on collisions between optically trapped atoms},
author = {Walker, T and Hoffmann, D and Peters, M and Tobiason, J},
abstractNote = {The authors report measurements of excited state collision rates of optically trapped {sup 85}Rb and {sup 87}Rb. The collision rates have been measured in the vicinity of the P{sub 3/2} and P{sub 1/2} states of both isotopes. By studying the collision rates as a function of the frequency of light used to cause the collisions, they obtain collision spectra that reveal the importance of hyperfine interactions on the collision dynamics. In certain frequency ranges the collision rates for the two isotopes are nearly identical, while in others they find substantially reduced rates for {sup 87}Rb (large hyperfine interaction) as compared to {sup 85}Rb (small hyperfine interaction). For the P{sub 1/2} states, where hyperfine splittings are large compared to the characteristic frequency scales for these collisions, the shapes of the spectra more closely correspond to those expected from simple models that neglect hyperfine interactions.},
doi = {},
url = {https://www.osti.gov/biblio/67864}, journal = {Bulletin of the American Physical Society},
number = 13,
volume = 38,
place = {United States},
year = {Wed Dec 01 00:00:00 EST 1993},
month = {Wed Dec 01 00:00:00 EST 1993}
}