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cond-mat.stat-mech2006
Disorder-Induced Superfluidity in Hardcore Bosons in Two Dimensions
Ji-Woo Lee, Shailesh Chandrasekharan, Harold U. Baranger
We study the effect of disorder on hardcore bosons in two dimensions at the SU(2) symmetric ``Heisenberg point''. We obtain our results with quantum Monte Carlo simulations using t…
cond-mat.stat-mech2006★ 34 cited
Quantum Phase Transitions of Hard-Core Bosons in Background Potentials
Anand Priyadarshee, Shailesh Chandrasekharan, Ji-Woo Lee +1
We study the zero temperature phase diagram of hard core bosons in two dimensions subjected to three types of background potentials: staggered, uniform, and random. In all three ca…