Induced supersolidity in a mixture of normal and hard-core bosons
Phys. Rev. B 81, 024503 – Published 7 January, 2010
DOI: https://doi.org/10.1103/PhysRevB.81.024503
Abstract
We present a scenario where a supersolid is induced in one of the components of a mixture of two species bosonic atoms where there are no long-range interactions. We study a system of normal and hard-core boson mixture with only the former possessing long-range interactions. We consider three cases: the first where the total density is commensurate and the other two where it is incommensurate to the lattice. By suitable choices of the densities of normal and hard-core bosons and the interaction strengths between them, we predict that the charge density wave and the supersolid orders can be induced in the hard-core species as a result of the competing interatomic interactions.