A two atomic species superfluid
G. Modugno, M. Modugno, F. Riboli, G. Roati, M. Inguscio
TL;DR
This paper reports the creation of a quantum degenerate mixture of two different atomic species, 41 K and 87 Rb, and investigates their superfluid dynamics, including off-axis collision-induced oscillations in a magnetic trap.
Contribution
First demonstration of a two-species Bose-Einstein condensate with detailed analysis of their superfluid oscillations and interactions.
Findings
Successful production of 41 K and 87 Rb BEC mixture
Observation of scissors-like oscillations due to interspecies interactions
Insights into superfluid dynamics of mixed atomic species
Abstract
We produce a quantum degenerate mixture composed by two Bose-Einstein condensates of different atomic species, 41 K and 87 Rb. We study the dynamics of the superfluid system in an elongated magnetic trap, where off-axis collisions between the two interacting condensates induce scissors-like oscillation.
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