Accurate determination of the superfluid-insulator transition in the one-dimensional Bose-Hubbard model

Details Accurate determination of the superfluid-insulator transition in the one-dimensional Bose-Hubbard model Accurate determination of the superfluid-insulator transition in the one-dimensional Bose-Hubbard model

2007-01-30

arxiv.org/abs/cond-mat/0701739v3

Physics

Condensed Matter

Statistical Mechanics

revised version, modified fig.1, a reference added, 5pp. 3figs

Scientific paper

10.1063/1.3046265

The quantum phase transition point between the insulator and the superfluid
phase at unit filling factor of the infinite one-dimensional Bose-Hubbard model
is numerically computed with a high accuracy, better than current state of the
art calculations. The method uses the infinite system version of the time
evolving block decimation algorithm, here tested in a challenging case.

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