First four Brillouin zones of an optical kagome lattice, constructed by overlaying triangular lattices using short- and long-wavelength light.

From the article:

Interaction-Enhanced Group Velocity of Bosons in the Flat Band of an Optical Kagome Lattice
Tsz-Him Leung, Malte N. Schwarz, Shao-Wen Chang, Charles D. Brown, Govind Unnikrishnan, and Dan Stamper-Kurn
Phys. Rev. Lett. 125, 133001 (2020)

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