Phys. Rev. A 74, 041605(R) (2006) [4 pages]
Control of the interaction in a Fermi-Bose mixture
Abstract
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Citing Articles
M. Zaccanti, C. D'Errico, F. Ferlaino, G. Roati, M. Inguscio, and G. ModugnoLENS and Dipartimento di Fisica, Università di Firenze, and INFM-CNR, Via Nello Carrara 1, 50019 Sesto Fiorentino, Italy
Received 23 June 2006; published 26 October 2006
We control the interspecies interaction in a two-species atomic quantum mixture by tuning the magnetic field at a Feshbach resonance. The mixture is composed by fermionic 40K and bosonic 87Rb. We observe effects of the large attractive and repulsive interaction energy across the resonance, such as collapse or a reduced spatial overlap of the mixture, and we accurately locate the resonance position and width. Understanding and controlling instabilities in this mixture opens the way to a variety of applications, including formation of heteronuclear molecular quantum gases.
©2006 The American Physical Society
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