Non-Equilibrium Dynamics Beyond Dephasing
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Recurrences and Loss Induced Cooling in One-dimensional Bose Gases, Springer Theses
| ISBN: |
3030182355 |
| ISBN 13: |
9783030182359 |
| Autor: |
Rauer, Bernhard |
| Verlag: |
Springer Verlag GmbH |
| Umfang: |
xii, 128 S., 23 s/w Illustr., 32 farbige Illustr., 128 p. 55 illus., 32 illus. in color. |
| Erscheinungsdatum: |
15.05.2019 |
| Auflage: |
1/2019 |
| Produktform: |
Gebunden/Hardback |
| Einband: |
Gebunden |
Cold atomic gases trapped and manipulated on atom chips allow the realization of seminal one-dimensional (1d) quantum many-body problems in an isolated and well controlled environment. In this context, this thesis presents an extensive experimental study of non-equilibrium dynamics in 1d Bose gases, with a focus on processes that go beyond simple dephasing dynamics. It reports on the observation of recurrences of coherence in the post-quench dynamics of a pair of 1d Bose gases and presents a detailed study of their decay. The latter represents the first observation of phonon-phonon scattering in these systems. Furthermore, the thesis investigates a novel cooling mechanism occurring in Bose gases subjected to a uniform loss of particles. Together, the results presented show a wide range of non-equilibrium phenomena occurring in 1d Bose gases and establish them as an ideal testbed for many-body physics beyond equilibrium.