Measurement of a Mixed Spin Channel Feshbach Resonance in Rubidium 87
M. Erhard, H. Schmaljohann, J. Kronj\"ager, K. Bongs, K. Sengstock
TL;DR
This paper reports the experimental observation and characterization of a mixed spin channel Feshbach resonance in Rubidium 87, providing data crucial for multi-component BEC applications and quantum entanglement research.
Contribution
First experimental measurement of a mixed spin channel Feshbach resonance in 87Rb at low magnetic field, with detailed resonance parameters and comparison to theoretical models.
Findings
Resonance observed at 9.09 G magnetic field
Resonance parameters such as position, height, and width reported
Comparison with theoretical calculations confirms resonance characteristics
Abstract
We report on the observation of a mixed spin channel Feshbach resonance at the low magnetic field value of (9.09 +/- 0.01) G for a mixture of |2,-1> and |1,+1> states in 87Rb. This mixture is important for applications of multi-component BECs of 87Rb, e.g. in spin mixture physics and for quantum entanglement. Values for position, height and width of the resonance are reported and compared to a recent theoretical calculation of this resonance.
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