Experimental realization of a 3D long-range random hopping model

no code implementations • 23 Dec 2020 • Carsten Lippe, Tanita Klas, Jana Bender, Patrick Mischke, Thomas Niederprüm, Herwig Ott

Randomness and disorder have strong impact on transport processes in quantum systems and give rise to phenomena such as Anderson localization [1-3], many-body localization [4] or glassy dynamics [5].

Quantum Physics Disordered Systems and Neural Networks Quantum Gases Atomic Physics

Stability analysis and attractor dynamics of 3D dark solitons with localized dissipation

no code implementations • 21 Dec 2020 • Christian Baals, Alexandre Gil Moreno, Jian Jiang, Jens Benary, Herwig Ott

Above the stabilization threshold, we observe the attractor dynamics towards the dark soliton when initially starting from a grey soliton.

Quantum Gases

Diffusive-like Redistribution in State-changing Collisions between Rydberg Atoms and Ground State Atoms

no code implementations • 21 Dec 2020 • Philipp Geppert, Max Althön, Daniel Fichtner, Herwig Ott

We report on the study of state-changing collisions between Rydberg atoms and ground state atoms.

Atomic Physics