Publications

Experimental realization of a 3D long-range random hopping model
Scientific advance is often driven by identifying conceptually simple models underlying complex phenomena. This process commonly …
Carsten Lippe, Tanita Klas, Jana Bender, Patrick Mischke, Thomas Niederprüm, Herwig Ott
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Experimental realization of a 3D long-range random hopping model
Excitation of Rydberg Molecules in Ultracold Quantum Gases
Recent experiments in our group on the excitation of Rydberg molecules in ultracold quantum gases have been reviewed. Quantum gases are …
Carsten Lippe, Tanita Eichert, Oliver Thomas, Thomas Niederprüm, Herwig Ott
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Excitation of Rydberg Molecules in Ultracold Quantum Gases
Bistability Versus Metastability in Driven Dissipative Rydberg Gases
We investigate the possibility of a bistable phase in an open many-body system. To this end, we discuss the microscopic dynamics of a …
F. Letscher, O. Thomas, T. Niederprüm, M. Fleischhauer, H. Ott
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Bistability Versus Metastability in Driven Dissipative Rydberg Gases
Anomalous excitation facilitation in inhomogeneously broadened Rydberg gases
When atomic gases are laser driven to Rydberg states in an off-resonant way, a single Rydberg atom may enhance the excitation rate of …
F. Letscher, O. Thomas, T. Niederprüm, H. Ott, M. Fleischhauer
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Anomalous excitation facilitation in inhomogeneously broadened Rydberg gases
Observation of pendular butterfly Rydberg molecules
Engineering molecules with a tunable bond length and defined quantum states lies at the heart of quantum chemistry. The unconventional …
Thomas Niederprüm, Oliver Thomas, Tanita Eichert, Carsten Lippe, Jesús Pérez-Ríos, Chris H. Greene, Herwig Ott
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Observation of pendular butterfly Rydberg molecules
Rydberg Molecule-Induced Remote Spin Flips
We have performed high resolution photoassociation spectroscopy of rubidium ultralong-range Rydberg molecules in the vicinity of the …
Thomas Niederprüm, Oliver Thomas, Tanita Eichert, Herwig Ott
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Rydberg Molecule-Induced Remote Spin Flips
Dynamically probing ultracold lattice gases via Rydberg molecules
We show that the excitation of long-range Rydberg molecules in a three-dimensional optical lattice can be used as a position- and …
T. Manthey, T. Niederprüm, O. Thomas, H. Ott
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Giant Cross Section for Molecular Ion Formation in Ultracold Rydberg Gases
We have studied the associative ionization of a Rydberg atom and a ground-state atom in an ultracold Rydberg gas. The measured …
Thomas Niederprüm, Oliver Thomas, Torsten Manthey, Tobias M. Weber, Herwig Ott
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Mesoscopic Rydberg-blockaded ensembles in the superatom regime and beyond
To gain insight into the properties of quantum matter, a superatom—an ensemble of strongly interacting atoms in the Rydberg blockade …
T. M. Weber, M. Höning, T. Niederprüm, T. Manthey, O. Thomas, V. Guarrera, M. Fleischhauer, G. Barontini, H. Ott
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Scanning electron microscopy of Rydberg-excited Bose–Einstein condensates
We report on the realization of high resolution electron microscopy of Rydberg-excited ultracold atomic samples. The implementation of …
T. Manthey, T. M. Weber, T. Niederprüm, P. Langer, V. Guarrera, G. Barontini, H. Ott
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Continuous coupling of ultracold atoms to an ionic plasma via Rydberg excitation
We characterize the two-photon excitation of an ultracold gas of rubidium atoms to Rydberg states analyzing the induced atomic losses …
T. M. Weber, T. Niederprüm, T. Manthey, P. Langer, V. Guarrera, G. Barontini, H. Ott
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