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cond-mat.quant-gas2012★ 17 cited
Tuning the Kosterlitz-Thouless transition to zero temperature in Anisotropic Boson Systems
Jhih-Shih You, Hao Lee, Shiang Fang +2
We study the two-dimensional Bose-Hubbard model with anisotropic hopping. Focusing on the effects of anisotropy on the superfluid properties such like the helicity modulus and the…
cond-mat.quant-gas2012★ 14 cited
Quantum and Thermal Transitions Out of the Pair-Supersolid Phase of Two-Species Bosons in Lattice
Chia-Min Chung, Shiang Fang, Pochung Chen
We investigate two-species bosons in a two-dimensional square lattice by quantum Monte Carlo method. We show that the inter-species attraction and nearest-neighbor intra-species re…