Computational Physics - Department of Physics

16.12 Exercises 531

InitializeR,

setαand

ΨT−α(R)

Suggest

a move

Compute ac-

ceptance ratio

Generate a

uniformly

distributed

variabler

Is

R≥r?

Reject move:

xnewi =xoldi

Accept move:

xoldi =xnewi

Last

move?

Get local

energyEL

Last

MC

step?

Collect

samples

Is

〈E〉min?

End

yes

no

yes

yes

no

yes

no

Fig. 16.1Optimization of the trial wave functionΨt rial(α)and minimization of the energy with respect to the
variational parameters.