tunable gauge potential for spinless particles in driven lattices

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ID: 232354
2013
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Abstract
We present a universal method to create a tunable, artificial vector gauge potential for neutral particles trapped in an optical lattice. A suitable periodic shaking of the lattice allows to engineer a Peierls phase for the hopping parameters. This scheme thus allows one to address the atomic internal degrees of freedom independently. We experimentally demonstrate the realisation of such artificial potentials in a 1D lattice, which generate ground state superfluids at arbitrary non-zero quasimomentum [4]. This scheme offers fascinating possibilities to emulate synthetic magnetic fields in 2D lattices. In a triangular lattice, continuously tunable staggered fluxes are realised. Spontaneous symmetry breaking has recently been observed for a π-flux [23]. With the presented scheme, we are now able to study the influence of a small symmetry breaking perturbation.
Reference Key
j.2013epjtunable Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Simonet J., Struck J., Weinberg M., Ölschläger C., Hauke P., Eckardt A., Lewenstein M., Sengstock K., Windpassinger P.
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Journal utilitas mathematica
Year 2013
DOI
10.1051/epjconf/20135701004
URL
http://dx.doi.org/10.1051/epjconf/20135701004
Keywords
physics

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