A bichromatic shaking pattern combined with modulated on-site interactions can independently tune nearest-neighbour interactions and density-assisted tunnelling in a one-dimensional Bose-Hubbard system, enabling engineered Mott and density-wave phases.
The tunnelling rate can be expressed in Bessel functions as Tc =−j2 0 ω2 ∑ n⁄=0 Jn( ˜F1, ˜F2) [Ud n ∂ ∂ ˜F2 + U0 4n2 ] J−n( ˜F1, ˜F2)
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Engineered Nearest-Neighbour Interactions with Doubly Modulated Optical Lattices
A bichromatic shaking pattern combined with modulated on-site interactions can independently tune nearest-neighbour interactions and density-assisted tunnelling in a one-dimensional Bose-Hubbard system, enabling engineered Mott and density-wave phases.