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Berlin 2012 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 45: Correlated Electrons: Poster Session

TT 45.53: Poster

Thursday, March 29, 2012, 15:00–19:00, Poster B

Supersolid phase transitions for hardcore bosons on a triangular latticeXue-Feng Zhang, •Raoul Dillenschneider, and Sebastian Eggert — Physics Dept. and Res. Center OPTIMAS, Univ. of Kaiserslautern, 67663 Kaiserslautern, Germany.

Hard-core bosons on a triangular lattice with nearest neighbor repulsion are a prototypical example for a system with supersolid behavior on a lattice. We show that in this model the physical origin of the supersolid phase can be understood quantitatively and analytically by constructing quasiparticle excitations of defects that are moving on an ordered background.

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