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Supersolid Phase in One-Dimensional Bose-Hubbard Model With Extended Range Interactions: DMRG And Field Theoretic Study at Different Densities

Kumar, Manoranjan and Sarkar, Sujit and Ramasesha, S (2011) Supersolid Phase in One-Dimensional Bose-Hubbard Model With Extended Range Interactions: DMRG And Field Theoretic Study at Different Densities. In: International Journal of Modern Physics B, 25 (1). pp. 159-169.

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Official URL: http://www.worldscinet.com/ijmpb/25/2501/S02179792...

Abstract

We use the Density Matrix Renormalization Group and the Abelian bosonization method to study the effect of density on quantum phases of one-dimensional extended Bose-Hubbard model. We predict the existence of supersolid phase and also other quantum phases for this system. We have analyzed the role of extended range interaction parameters on solitonic phase near half-filling. We discuss the effects of dimerization in nearest neighbor hopping and interaction as well as next nearest neighbor interaction on the plateau phase at half-filling.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to World Scientific Publishing Company.
Keywords: Bose-Hubbard model;quantum phases;dimerization
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 19 Apr 2011 07:00
Last Modified: 19 Apr 2011 07:00
URI: http://eprints.iisc.ac.in/id/eprint/36958

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