Figure 3: Interaction and tunnelling dynamics of doublons in the lattice.
From: Doublon dynamics and polar molecule production in an optical lattice
(a) The remaining doublon fraction is shown for three scattering lengths as a function of the lattice depth. (b) The doublon fraction is plotted for three lattice depths as a function of the scattering length. (c) The doublon fraction for 1.68 mT ms−1 sweeps, 
and aK-Rb=−220a0 is shown as a function of the lattice depth for the case of higher excited-band fraction (squares) and lower excited-band fraction (circles). (d) Band-mapping images of the initial K gas are shown for the two different initial temperatures, where image i corresponds to the red circle data points and ii corresponds to the green square data points in (c). Each image is the average of three measurements. The colour bar indicates the optical depth (OD). Below the images, we display the OD for a horizontal trace through the image, with averaging from −ħk to +ħk in the vertical direction. All error bars represent 1−σ standard error.
