Monte Carlo study of superfluid-insulator transitions in Boson Hubbard models
β Scribed by Naomichi Hatano
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 190 KB
- Volume
- 206-207
- Category
- Article
- ISSN
- 0921-4526
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Quantum Monte Carlo simulations are used to investigate two-dimensional superfluidity of the hard-core boson model, that depends on particle density and disorder. It is definitely found that the clean system at half filling becomes superfluid via finite temperature Kosterlitz-Thouless transition. Th
We calculate the net magnetization for the a dimensional half-filled Hubbard model doped with one and multiple nonmagnetic impurities, using quantum Monte Carlo (QMC) method, to understand the suppression of antiferromagnetic order in strongly correlated electron systems such as La 2 CuO 4 by doping