Speaker: Ma Ping Nang
Affiliation: Centre for Quantum Technologies, NUS
Abstract Details: Quantum Monte Carlo (QMC) algorithms based on a world-line representation are among the most powerful numerical-exact techniques for the simulation of non-frustrated spin models and of bosonic models at finite temperature. The directed worm algorithm (DWA) is one of these continuous-time numerical-exact QMC methods that proves to be very efficient. In this talk, I shall focus on the DWA simulation of boson Hubbard model, directly applicable to realistic bosonic optical lattices of actual sizes (~200^3). Its capability to directly compare with the experiments proves DWA to be in-challengable by any other numerical method. Last but not least, I shall discuss about the ALPS C++/Python implementation of DWA.Click HERE for directions

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