APS/A. B. Kuklov et al.
Figure 1: An example of the lattice supersolid: the checkerboard order formed by particles (filled circles) in the underlying square lattice coexists with the superfluidity of mobile vacancies (open circles).
Figure 1: An example of the lattice supersolid: the checkerboard order formed by particles (filled circles) in the underlying square lattice coexists with the superfluidity of mobile vacancies (open circles).