Dissipative Few-Body Quantum Systems

C. Jochum, Dissipative Few-Body Quantum Systems, Technical University Vienna, 2016.

Thesis | Published | English
Jochum, Clemens
Within the scope of this thesis, we show that a driven-dissipative system with few ultracold atoms can exhibit dissipatively bound states, even if the atom-atom interaction is purely repulsive. This bond arises due to the dipole-dipole inter- action, which is restricted to one of the lower electronic energy states, resulting in the distance-dependent coherent population trapping. The quality of this al- ready established method of dissipative binding is improved and the application is extended to higher dimensions and a larger number of atoms. Here, we simu- late two- and three-atom systems using an adapted approach to the Monte Carlo wave-function method and analyse the results. Finally, we examine the possi- bility of finding a setting allowing trimer states but prohibiting dimer states. In the context of open quantum systems, such a three-body bound states corre- sponds to the driven-dissipative analogue of a Borromean state. These states can be detected in modern experiments with dipolar and Rydberg-dressed ultracold atomic gases.
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Cite this

Jochum C. Dissipative Few-Body Quantum Systems. 2016.
Jochum, C. (2016). Dissipative Few-Body Quantum Systems. Technical University Vienna.
Jochum, Clemens. “Dissipative Few-Body Quantum Systems.” Technical University Vienna, 2016.
C. Jochum, “Dissipative Few-Body Quantum Systems,” Technical University Vienna, 2016.
Jochum C. 2016. Dissipative Few-Body Quantum Systems. Technical University Vienna.
Jochum, Clemens. Dissipative Few-Body Quantum Systems. Technical University Vienna, 2016.
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