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
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|---|---|
| Authors | ;Simonet J.;Struck J.;Weinberg M.;Ölschläger C.;Hauke P.;Eckardt A.;Lewenstein M.;Sengstock K.;Windpassinger P. |
| Journal | utilitas mathematica |
| Year | 2013 |
| DOI |
10.1051/epjconf/20135701004
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| URL | |
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