Artificial Gauge Fields with Ultracold Atoms in Optical by Monika Aidelsburger

By Monika Aidelsburger

This paintings experiences at the iteration of synthetic magnetic fields with ultracold atoms in optical lattices utilizing laser-assisted tunneling, in addition to at the first Chern-number dimension in a non-electronic system.

It begins with an creation to the Hofstadter version, which describes the dynamics of charged debris on a sq. lattice subjected to powerful magnetic fields. This version indicates strength bands with non-zero topological invariants known as Chern numbers, a estate that's on the starting place of the quantum corridor impression. the most a part of the paintings discusses the conclusion of analog structures with ultracold impartial atoms utilizing laser-assisted-tunneling strategies either from a theoretical and experimental viewpoint. Staggered, homogeneous and spin-dependent flux distributions are generated and characterised utilizing two-dimensional optical super-lattice potentials. also their topological houses are studied through the commentary of bulk topological currents.

The experimental strategies offered right here supply a different surroundings for learning topologically non-trivial structures with ultracold atoms.

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