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Universal Scaling Laws in the Dynamics of a Homogeneous Unitary Bose Gas
Christoph Eigen, Jake A. P. Glidden, Raphael Lopes +3
We study the dynamics of an initially degenerate homogeneous Bose gas after an interaction quench to the unitary regime at a magnetic Feshbach resonance. As the cloud decays and he…
Quantum depletion of a homogeneous Bose-Einstein condensate
Raphael Lopes, Christoph Eigen, Nir Navon +3
We have measured the quantum depletion of an interacting homogeneous Bose-Einstein condensate, and confirmed the 70-year old theory of N.N. Bogoliubov. The observed condensate depl…
Observation of Efimov molecules created from a resonantly interacting Bose gas
Catherine E. Klauss, Xin Xie, Carlos Lopez-Abadia +4
We convert a strongly interacting ultracold Bose gas into a mixture of atoms and molecules by sweeping the interactions from resonant to weak. By analyzing the decay dynamics of th…
Quasiparticle energy in a strongly interacting homogeneous Bose-Einstein condensate
Raphael Lopes, Christoph Eigen, Adam Barker +5
Using two-photon Bragg spectroscopy, we study the energy of particle-like excitations in a strongly interacting homogeneous Bose-Einstein condensate, and observe dramatic deviation…