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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.
出版者:	Cham :Springer International Publishing : : 2016.,
面頁冊數:	xiii, 172 p. :ill., digital ; : 24 cm.;
Contained By:	Springer eBooks
標題:	Optical lattices. -
電子資源:	http://dx.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. - Cham :Springer International Publishing :2016. - xiii, 172 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

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:

784485
Optical lattices.

LC Class. No.: TA1750

Dewey Class. No.: 621.3815045

Artificial gauge fields with ultracold atoms in optical lattices
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505 0 $a 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.
520 $a 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.
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