1.

Record Nr.

UNINA9910337879603321

Autore

Rauer Bernhard

Titolo

Non-Equilibrium Dynamics Beyond Dephasing : Recurrences and Loss Induced Cooling in One-dimensional Bose Gases / / by Bernhard Rauer

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2019

ISBN

3-030-18236-3

Edizione

[1st ed. 2019.]

Descrizione fisica

1 online resource (135 pages) : illustrations

Collana

Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053

Disciplina

530.144

Soggetti

Phase transformations (Statistical physics)

Condensed materials

Quantum physics

Low temperature physics

Low temperatures

Quantum Gases and Condensates

Quantum Physics

Low Temperature Physics

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Introduction -- Theoretical basics -- Experimental setup and probing -- Cooling through uniform loss -- Recurrences -- Outlook -- Appendices.

Sommario/riassunto

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.