Non-equilibrium dynamics beyond dephasing : recurrences and loss induced cooling in one-dimensional Bose gases
著者
書誌事項
Non-equilibrium dynamics beyond dephasing : recurrences and loss induced cooling in one-dimensional Bose gases
（Springer theses : recognizing outstanding Ph. D. research）
Springer, c2019
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注記
"Doctoral Thesis accepted by the Atominstitut, TU Vienna, Vienna, Austria"
Includes bibliographical references
内容説明・目次
内容説明
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.
目次
Introduction.- Theoretical basics.- Experimental setup and probing.- Cooling through uniform loss.- Recurrences.- Outlook.- Appendices.
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