Optical flux lattices

This with strontium.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.110.185301

Experimental realization of a fermionic spin-momentum lattice,
P. Lauria, W.-T. Kuo, N. Cooper, JTB
arXiv:2203.05543

OFL beams in orange, ODT in yellow, red MOT, blue MOT, and AOsense blue 2D MOT, Zeeman slower and transverse cooling.
OFL schematic and momentum lattice
A degenerate gas of fermions pushed in an optical flux lattice.