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Spin liquid phase in a quantum magnet on the kagome lattice
S. V. Isakov, Yong Baek Kim, A. Paramekanti
We study a model of hard-core bosons with short-range repulsive interactions at half-filling on the kagome lattice. Using quantum Monte Carlo (QMC) numerics, we find that this mode…
Valence Bond Solids and Their Quantum Melting in Hard-Core Bosons on the Kagome Lattice
S. V. Isakov, S. Wessel, R. G. Melko +2
Using large scale quantum Monte Carlo simulations and dual vortex theory we analyze the ground state phase diagram of hard-core bosons on the kagome lattice with nearest neighbor r…
Superfluid-Insulator transitions of bosons on Kagome lattice at non-integer fillings
K. Sengupta, S. V. Isakov, Yong Baek Kim
We study the superfluid-insulator transitions of bosons on the Kagome lattice at incommensurate filling factors f=1/2 and 2/3 using a duality analysis. We find that at f=1/2 the bo…