Supersolids of Hard Core - Bosons on a Triangular Lattice
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DOI:
https://doi.org/10.15625/0868-3166/21/4/361Abstract
We study the boson model on a triangular lattice interacting only via on-site hardcore repulsion by mapping to a system of spins $(S = 1/2)$. We investigate the supersolid phase of the systems which is a state matter displaying both diagonal long- range (solid) order as well as off-diagonal long-range (superfluidity) by utilizing a semionic representation for the spin-XXZ model. We show that the supersolid order is stable in the mean-field theory for a broad region of parameters. The inclusion of spin wave corrections modifies this picture, but the supersolid phase is still quite robust on the triangular lattices.Downloads
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Published
30-12-2011
How to Cite
[1]
N. T. Thang and P. T. T. Nga, “Supersolids of Hard Core - Bosons on a Triangular Lattice”, Comm. Phys., vol. 21, no. 4, p. 301, Dec. 2011.
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