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cond-mat.str-el2012★ 89 cited
Entanglement spectrum of the two dimensional Bose-Hubbard model
Vincenzo Alba, Masudul Haque, Andreas M. Laeuchli
We study the entanglement spectrum (ES) of the Bose-Hubbard model on the two dimensional square lattice at unit filling, both in the Mott insulating and in the superfluid phase. In…
cond-mat.str-el2012★ 33 cited
Entanglement spectrum of the Heisenberg XXZ chain near the ferromagnetic point
Vincenzo Alba, Masudul Haque, Andreas M. Laeuchli
We study the entanglement spectrum (ES) of a finite XXZ spin 1/2 chain in the limit Δ-> -1^+ for both open and periodic boundary conditions. At Δ=-1 (ferromagnetic point) the model…