Description: Many-Body Schroedinger Dynamics of Bose-Einstein Condensates Please note: this item is printed on demand and will take extra time before it can be dispatched to you (up to 20 working days). Author(s): Kaspar Sakmann Format: Hardback Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG, Germany Imprint: Springer-Verlag Berlin and Heidelberg GmbH & Co. K ISBN-13: 9783642228650, 978-3642228650 Synopsis At extremely low temperatures, clouds of bosonic atoms form what is known as a Bose-Einstein condensate. Recently, it has become clear that many different types of condensates -- so called fragmented condensates -- exist. In order to tell whether fragmentation occurs or not, it is necessary to solve the full many-body Schroedinger equation, a task that remained elusive for experimentally relevant conditions for many years. In this thesis the first numerically exact solutions of the time-dependent many-body Schroedinger equation for a bosonic Josephson junction are provided and compared to the approximate Gross-Pitaevskii and Bose-Hubbard theories. It is thereby shown that the dynamics of Bose-Einstein condensates is far more intricate than one would anticipate based on these approximations. A special conceptual innovation in this thesis are optimal lattice models. It is shown how all quantum lattice models of condensed matter physics that are based on Wannier functions, [url] the Bose/Fermi Hubbard model, can be optimized variationally. This leads to exciting new physics.
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Book Title: Many-Body Schroedinger Dynamics of Bose-Einstein Condensates
Number of Pages: 132 Pages
Publication Name: Many-Body Schroedinger Dynamics of Bose-Einstein Condensates
Language: English
Publisher: Springer-Verlag Berlin AND Heidelberg Gmbh & Co. KG
Item Height: 235 mm
Subject: Physics
Publication Year: 2011
Type: Textbook
Item Weight: 389 g
Subject Area: Material Science
Author: Kaspar Sakmann
Item Width: 155 mm
Series: Springer Theses
Format: Hardcover
