Commit 1a691aa7 by Jefferson Stafusa E. Portela

### Add Exercise 1 of Part II. Some cleanup.

parent 83e5406c
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 This directory contains a copy of ALF with the necessary modifications for solving Exercise 1 - Dimensional crossover - of Part II from the ALF Tutorial (ALF 2.0) This directory contains: - a copy of ALF with the necessary modifications for solving Exercise 1 - Dimensional crossover - of Part II from the ALF Tutorial (ALF 2.0) - the corresponding Start folder - reference data and plot (ladder.data, ladder.pdf, the latter generated by the gnuplot script ladder.plt)
 declare -i n declare -i n1 n1=`ls confout_* | wc -l` let n=0 let n1=n1-1 while [ \$n -le \$n1 ]; do export file_out="confout_"\$n export file_in="confin_"\$n echo \$file_out \$file_in mv \$file_out \$file_in let n=n+1 done
 ... ... @@ -3,8 +3,8 @@ !--------------------------------------------------------------------------------------- &VAR_lattice !! Parameters defining the specific lattice and base model L1 = 4 ! Length in direction a_1 L2 = 4 ! Length in direction a_2 L1 = 14 ! Length in direction a_1 L2 = 2 ! Length in direction a_2 Lattice_type = "Square" ! Sets a_1 = (1,0), a_2=(0,1), Norb=1, N_coord=2 Model = "Hubbard_Plain_Vanilla" ! Sets the Hubbard model, to be specified in &VAR_Hubbard / ... ... @@ -12,12 +12,12 @@ Model = "Hubbard_Plain_Vanilla" ! Sets the Hubbard model, to be specif &VAR_QMC !! Variables for the QMC run Nwrap = 10 ! Stabilization. Green functions will be computed from ! scratch after each time interval Nwrap*Dtau NSweep = 40 ! Number of sweeps NSweep = 20 ! Number of sweeps NBin = 10 ! Number of bins Ltau = 1 ! 1 to calculate time-displaced Green functions; 0 otherwise LOBS_ST = 0 ! Start measurements at time slice LOBS_ST LOBS_EN = 0 ! End measurements at time slice LOBS_EN CPU_MAX = 0.05 ! Code stops after CPU_MAX hours, if 0 or not CPU_MAX = 0.1 ! Code stops after CPU_MAX hours, if 0 or not ! specified, the code stops after Nbin bins Propose_S0 = .F. ! Proposes single spin flip moves with probability exp(-S0) Global_moves = .F. ! Allows for global moves in space and time ... ... @@ -70,11 +70,12 @@ Tolerance = 0.1d0 ! Data points for which the relative error exceeds t &VAR_Hubbard_Plain_Vanilla !! Variables for the specific model ham_T = 1.d0 ! Hopping parameter ham_Ty = 1.d0 ! Hopping parameter ham_chem = 0.d0 ! Chemical potential ham_U = 4.d0 ! Hubbard interaction Dtau = 0.1d0 ! Thereby Ltrot=Beta/dtau Beta = 1.d0 ! Inverse temperature Projector = .T. ! Whether the projective algorithm is used Beta = 10.d0 ! Inverse temperature Projector = .F. ! Whether the projective algorithm is used Theta = 10.d0 ! Projection parameter Symm = .T. ! Whether symmetrization takes place / ... ...
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