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Artificial Gauge Fields with Ultracold Atoms in Optical Lattices

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Artificial Gauge Fields with Ultracold Atoms in Optical Lattices/ by Monika Aidelsburger.
作者:	Aidelsburger, Monika.
面頁冊數:	XIII, 172 p. 76 illus., 2 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Phase transformations (Statistical physics). -
電子資源:	https://doi.org/10.1007/978-3-319-25829-4
ISBN:	9783319258294

Artificial Gauge Fields with Ultracold Atoms in Optical Lattices
Aidelsburger, Monika.

Artificial Gauge Fields with Ultracold Atoms in Optical Lattices[electronic resource] /by Monika Aidelsburger. - 1st ed. 2016. - XIII, 172 p. 76 illus., 2 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

Introduction -- Square Lattice with Magnetic field -- Artificial Gauge Fields with Laser-Assisted Tunneling -- Overview of the Experimental Setup and Measurement Techniques -- Staggered Magnetic Flux -- Harper-Hofstadter Model and Spin Hall Effect -- All-Optical Setup for Flux Rectification -- Chern-Number Measurement of Hofstadter Bands -- Conclusions and Outlook.

This work reports on the generation of artificial magnetic fields with ultracold atoms in optical lattices using laser-assisted tunneling, as well as on the first Chern-number measurement in a non-electronic system. It starts with an introduction to the Hofstadter model, which describes the dynamics of charged particles on a square lattice subjected to strong magnetic fields. This model exhibits energy bands with non-zero topological invariants called Chern numbers, a property that is at the origin of the quantum Hall effect. The main part of the work discusses the realization of analog systems with ultracold neutral atoms using laser-assisted-tunneling techniques both from a theoretical and experimental point of view. Staggered, homogeneous and spin-dependent flux distributions are generated and characterized using two-dimensional optical super-lattice potentials. Additionally their topological properties are studied via the observation of bulk topological currents. The experimental techniques presented here offer a unique setting for studying topologically non-trivial systems with ultracold atoms.

ISBN: 9783319258294

Standard No.: 10.1007/978-3-319-25829-4doiSubjects--Topical Terms:

684853
Phase transformations (Statistical physics).

LC Class. No.: QC175.16.C6

Dewey Class. No.: 539

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