Artificial Gauge Fields with Ultracold Atoms in Optical Lattices
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Sprache:Englisch
Fr. 138.00
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Beschreibung
Produktdetails
Einband
Taschenbuch
Erscheinungsdatum
30.03.2019
Abbildungen
XIII, 76 illus., 2 illus. in color., schwarz-weiss Illustrationen, farbige Illustrationen
Verlag
SpringerSeitenzahl
172
Maße (L/B/H)
23.5/15.5/1.1 cm
Gewicht
295 g
Auflage
Softcover reprint of the original 1st edition 2016
Sprache
Englisch
ISBN
978-3-319-79848-6
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.Noch keine Bewertungen vorhanden
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