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Synthetic gauge fields in synthetic dimensions

Authors
  • Celi, A.
  • Massignan, P.
  • Ruseckas, J.
  • Goldman, N.
  • Spielman, I. B.
  • Juzeliunas, G.
  • Lewenstein, M.
Type
Published Article
Publication Date
Sep 02, 2013
Submission Date
Jul 31, 2013
Identifiers
DOI: 10.1103/PhysRevLett.112.043001
Source
arXiv
License
Unknown
External links

Abstract

We describe a simple technique for generating a cold-atom lattice pierced by a uniform magnetic field. Our method is to extend a one-dimensional optical lattice into the "dimension" provided by the internal atomic degrees of freedom, yielding a synthetic 2D lattice. Suitable laser-coupling between these internal states leads to a uniform magnetic flux within the 2D lattice. We show that this setup reproduces the main features of magnetic lattice systems, such as the fractal Hofstadter butterfly spectrum and the chiral edge states of the associated Chern insulating phases.

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