Dissociation of ultracold molecules with Feshbach resonances

Stephan Dürr*, Thomas Volz, Gerhard Rempe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)


The dissociation of ultracold molecules by ramping the magnetic field across a Feschbach resonance, was analyzed. It was observed that a reverse ramp dissociates the molecules. The kinetic energy released in the dissociation process was used to measure the widths of four Feschbach resonances in 87Rb. This method was used to determine the narrow resonances even in the presence of significant magnetic-field noise. The results show that a quasimonoenergetic atomic wave was created by jumping the magnetic field across the Feshbach resonance.

Original languageEnglish
Article number031601
Pages (from-to)031601-1-031601-4
Number of pages4
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number3
Publication statusPublished - 2004
Externally publishedYes


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