| 書目名稱 | Non-equilibrium Dynamics of Tunnel-Coupled Superfluids | | 副標(biāo)題 | Relaxation to a Phas | | 編輯 | Marine Pigneur | | 視頻video | http://file.papertrans.cn/668/667095/667095.mp4 | | 概述 | Nominated as an outstanding Ph.D. thesis by the Atominstitut, TU Wien, Vienna, Austria.Experimental demonstration of a new physical phenomenon that challenges our understanding of statistical mechanic | | 叢書名稱 | Springer Theses | | 圖書封面 |  | | 描述 | .The relaxation of isolated quantum many-body systems is a major unsolved problem of modern physics, which is connected to many fundamental questions. However, realizations of quantum many-body systems which are both well isolated from their environment and accessible to experimental study are scarce. In recent years, the field has experienced rapid progress, partly attributed to ultra-cold atoms...This book presents the experimental study of a relaxation phenomenon occurring in a one-dimensional bosonic Josephson junction. The system consists of two 1D quasi Bose-Einstein condensates of .87.Rb, magnetically trapped on an atom chip. Using radio-frequency dressing, the author deforms a single harmonic trap, in which the atoms are initially condensed, into a double-well potential and realizes a splitting of the wave function. A large spatial separation and a tilt of the double-well enable the preparation of a broad variety of initial states by precisely adjusting the initial population and relative phase of the two wave packets, while preserving the phase coherence. By re-coupling the two wave packets, the author investigates tunneling regimes such as Josephson (plasma) oscillations | | 出版日期 | Book 2020 | | 關(guān)鍵詞 | bosonic Josephson junction; quasi Bose-Einstein condensates; Ultra-cold Gases; Magnetically trapped rub | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-030-52844-7 | | isbn_softcover | 978-3-030-52846-1 | | isbn_ebook | 978-3-030-52844-7Series ISSN 2190-5053 Series E-ISSN 2190-5061 | | issn_series | 2190-5053 | | copyright | The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl |
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