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Diffusion Monte Carlo
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Thesis
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calculation of the superfluid
 
Contents
Quantum Monte Carlo Method
Subsections
Diffusion Monte Carlo
Introduction
Schrödinger equation
Green's function
DMC algorithm
Parallel DMC algorithm
Homogeneous Bose Gas
Trial Wavefunction
Comparison between VMC and DMC methods
Outputs of the calculation
Energy
Superfluid density
One body density matrix and condensate fraction
Extrapolation technique from mixed and variational estimators
Systematic errors
Population of walkers
Time step
Finite size errors
Other sources of errors