# ALPS 2 Tutorials:MC-09 Directed Worm Algorithm v2

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# DWA Tutorial 1: Studying the temperature dependence of energy density at fixed chemical potential

## Command prompt

Write a parameter script file parm, which is illustrated as follows.

LATTICE="square lattice" MODEL="boson Hubbard" L=20 Nmax=20 t=1. U=16. mu=32. SWEEPS=100000 SKIP=400 {T=0.7} {T=0.8} {T=0.9} {T=1.0} {T=1.1} {T=1.2} {T=1.3} {T=1.4} {T=1.5} {T=1.6} {T=1.7} {T=1.8} {T=1.9} {T=2.0}