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Doc updated. C.S.
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Doc/INPUT_PW
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Doc/INPUT_PW
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@ -121,7 +121,7 @@ tprnfor LOGICAL
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dt REAL ( default = 20.D0 )
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time step for molecular dynamics, in Rydberg atomic units
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(1 a.u.=4.8378 * 10^-17 s : beware, CP and FPMD codes use
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Hartree atomic units, half that much!!!)
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Hartree atomic units, half that much!!!)
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outdir CHARACTER ( default = current directory ('./') )
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input, temporary, output files are found in this directory
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@ -130,7 +130,7 @@ prefix CHARACTER ( default = 'pwscf' )
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prepended to input/output filenames:
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prefix.wfc, prefix.rho, etc.
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max_seconds REAL ( default : 1.0d+7, or 150 days, i.e. no time limit )
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max_seconds REAL ( default : 1.D+7, or 150 days, i.e. no time limit )
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jobs stops after max_seconds CPU time
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etot_conv_thr REAL ( default = 1.0D-4 )
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@ -499,16 +499,16 @@ ion_dynamics CHARACTER
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for structural relaxation (experimental)
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'old-bfgs' : use the old BFGS quasi-newton method for
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structural relaxation
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'damp' : use damped (quick-min velocity Verlet)
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'damp' : use damped (quick-min Verlet)
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dynamics for structural relaxation
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'constrained-damp' : use damped (quick-min velocity Verlet)
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'constrained-damp' : use damped (quick-min Verlet)
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dynamics for structural relaxation with
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the constraint specified in the
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CONSTRAINTS CARD
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CASE ( calculation = 'md' )
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'verlet' : (default) use velocity Verlet algorithm to
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integrate Newton's equation
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'constrained-verlet' : use velocity Verlet algorithm to do
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'verlet' : (default) use Verlet algorithm to integrate
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Newton's equation
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'constrained-verlet' : use Verlet algorithm to perform
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molecular dynamics with the constraint
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specified in the CONSTRAINTS CARD
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CASE ( calculation = 'vc-relax' )
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@ -587,29 +587,23 @@ bfgs_ndim INTEGER ( default = 1 )
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(bfgs only)
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trust_radius_max
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REAL ( default = 0.5D0 BOHR )
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REAL ( default = 0.8D0 )
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maximum ionic displacement in the structural relaxation
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(bfgs only)
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trust_radius_min
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REAL ( default = 1.D-5 BOHR )
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REAL ( default = 1.D-3 )
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minimum ionic displacement in the structural relaxation
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BFGS is reset when trust_radius < trust_radius_min
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(bfgs only)
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trust_radius_ini
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REAL ( default = 0.5D0 BOHR )
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REAL ( default = 0.5D0 )
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initial ionic displacement in the structural relaxation
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(bfgs only)
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trust_radius_end
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REAL ( default = 1.D-7 BOHR )
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BFGS is stopped when trust_radius < trust_radius_end
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trust_radius_end is not intended to be used as a criterium
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for convergence (bfgs only)
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w_1, w_2
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REAL ( w_1 = 1.D-5, w_2 = 0.2D0 )
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REAL ( w_1 = 0.01D0, w_2 = 0.5D0 )
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parameters used in line search based on the Wolfe conditions
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(bfgs only)
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