Mainz 2017 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 26: Poster Session II

A 26.13: Poster

Mittwoch, 8. März 2017, 17:00–19:00, P OG1

Three-body losses in Dysprosium — •Fabian Böttcher, Matthias Schmitt, Matthias Wenzel, Carl Bühner, Igor Ferrier-Barbut, and Tilman Pfau — 5. Physikalisches Institut and Center for Integrated Quantum Science and Technology, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany

Strongly dipolar quantum gases enable the observation of many-body phenomena with anisotropic, long-range interactions. These interactions lead to a spectrum with a background of chaotic distributed narrow Feshbach resonances, as well as some universal broad resonances [1]. With Feshbach resonances it is well known that the scattering length can be tuned and that at the same time also the three-body recombination rate changes.
Motivated by the fact that the lifetime of the selfbound quantum droplets [2] is limited by the three-body loss rate, we present an extensive study of the three-body loss rate.
T. Maier et al., Phys. Rev. A 92, 060702 (2015)
M. Schmitt et al., Nature 539, 259-262 (2016)