LATTICE="coupled ladders" MODEL = "spin" local_S=1/2; REPRESENTATION="SSE"; MEASURE[Correlations]=true; MEASURE[Structure Factor]=true; MEASURE[Green Function]=true; J0=4 J1=1 J2=-2 T=0.01 L=20 W=8 THERMALIZATION=100000 SWEEPS=200000 {h=3;}