Observation of quantum droplets in a heteronuclear bosonic mixture
Chiara D’ErricoCNR, Istituto Nazionale di Ottica, 50019 Sesto Fiorentino, ItalyA. BurchiantiCNR, Istituto Nazionale di Ottica, 50019 Sesto Fiorentino, ItalyM. PrevedelliDipartimento di Fisica e Astronomia, Università di Bologna, 40127 Bologna, ItalyLuca SalasnichCNR, Istituto Nazionale di Ottica, 50019 Sesto Fiorentino, ItalyFrancesco AncilottoCNR-IOM Democritos, 265-34136 Trieste, ItalyM. ModugnoDepartamento de Fisíca Teórica e Historia de la Ciencia, Universidad del Pais Vasco UPV/EHU, 48080 Bilbao, SpainF. MinardiCNR, Istituto Nazionale di Ottica, 50019 Sesto Fiorentino, ItalyC. FortCNR, Istituto Nazionale di Ottica, 50019 Sesto Fiorentino, Italy
2019en
ABI
Abstract
This work reports on the observation of quantum droplets in a two-species bosonic mixture with attractive interspecies interaction. Their dynamics is studied both in free space and in an optical waveguide, providing a clear picture of the droplet formation and evolution. Remarkably, the mixture employed in this experiment --- formed by 41K and 87Rb atoms --- makes possible the realization of long-lived droplets, thus opening new avenues for research on such dilute, self-bound quantum states.
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Cited by 90 references