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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4577

Title: Variational wave-function study of the triangular lattice supersolid
Authors: SEN, A
DUTT, P
DAMLE, K
MOESSNER, R
Issue Date: 2008
Publisher: AMER PHYSICAL SOC
Citation: PHYSICAL REVIEW LETTERS, 100(14), -
Abstract: We present a variational wave function which explains the behavior of the supersolid state formed by hard-core bosons on the triangular lattice. The wave function is a linear superposition of only and all configurations minimizing the repulsion between the bosons (which it thus implements as a hard constraint). Its properties can be evaluated exactly-in particular, the variational minimization of the energy yields (i) the surprising and initially controversial spontaneous density deviation from half-filling (ii) a quantitatively accurate estimate of the corresponding density wave (solid) order parameter.
URI: http://dx.doi.org/10.1103/PhysRevLett.100.147204
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4577
http://hdl.handle.net/10054/4577
ISSN: 0031-9007
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