Generation of uniform synthetic magnetic fields by split driving of an optical lattice

C. E. Creffield; F. Sols

doi:10.1103/physreva.90.023636

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arXiv · 1403.5915

Generation of uniform synthetic magnetic fields by split driving of an optical lattice

C. E. Creffield·F. Sols

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Abstract

We describe a method to generate a synthetic gauge potential for ultracold atoms held in an optical lattice. Our approach uses a time-periodic driving potential based on two quickly alternating signals to engineer the appropriate Aharonov-Bohm phases, and permits the simulation of a uniform tunable magnetic field. We explicitly demonstrate that our split driving scheme reproduces the behavior of a charged quantum particle in a magnetic field over the complete range of field strengths, and obtain the Hofstadter butterfly band-structure for the Floquet quasienergies at high fluxes.

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C. E. Creffield, F. Sols. 2014-08-29. Generation of uniform synthetic magnetic fields by split driving of an optical lattice. https://doi.org/10.1103/physreva.90.023636

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