forked from lijiext/lammps
Commit 11/06/17
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@ -3,13 +3,8 @@
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###################
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clear
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#setting units to metal (Ang, picosecs, eV, ...):
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units metal
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#setting dimension of the system (N=2 or 3):
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dimension 3
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#setting boundary conditions. (p for periodic, f for fixed, ...)
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boundary p p p
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#boundary f f f
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@ -19,29 +14,15 @@ atom_style spin
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#Define sort for paramagnetic simulations (if no pair interaction)
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#atom_modify sort 1000 4.0
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#why?
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atom_modify map array
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#newton off for pair spin in SEQNEI
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#newton off off
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###########################
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#######Create atoms########
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###########################
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#Lattice constant of fcc Cobalt
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lattice fcc 3.54
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#lattice sc 2.50
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#Defining a geometric region of space. Sets ID(user's choice), style(block, sphere, ...), then, args depends on the style chosen
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#(for block, one has x0, xf, y0, yf, z0, zf, in distance units)
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region box block 0.0 8.0 0.0 8.0 0.0 8.0
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#Creating a simulation box based on the specified region. Entries: number of atom types and box ref.
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create_box 1 box
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#Creating atoms (or molecules) on a lattice, or a single atom (or molecule), ...
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#Entries: atom type,
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create_atoms 1 box
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#######################
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@ -52,14 +33,12 @@ create_atoms 1 box
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group single_spin id 10
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#Setting one or more properties of one or more atoms.
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#Setting mass
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mass 1 58.93
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#set group all mass 58.93
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#Setting spins orientation and moment
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set group all spin/random 31 1.72
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#set group all spin 1.72 0.0 0.0 1.0
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#set group single_spin spin/random 11 1.72
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#set group all spin/random 31 1.72
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set group all spin 1.72 0.0 0.0 1.0
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set group single_spin spin/random 11 1.72
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velocity all create 200 4928459 rot yes dist gaussian
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@ -108,8 +87,6 @@ fix 3 all integration/spin serial
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#compute real time, total magnetization, magnetic energy, and spin temperature
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#Iteration | Time | Mx | My | Mz | |M| | Em | Tm
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#compute mag all compute/spin
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#fix outmag all ave/time 1 1 50 c_mag[1] c_mag[2] c_mag[3] c_mag[4] c_mag[5] c_mag[6] c_mag[7] file mag_VSRSV.dat format %20.16g
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#Setting the timestep for the simulation (in ps)
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timestep 0.0001
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@ -118,8 +95,6 @@ timestep 0.0001
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#######run########
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##################
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#fix_modify 1 energy yes
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compute out_mag all compute/spin
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compute out_pe all pe
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compute out_ke all ke
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@ -132,13 +107,11 @@ variable mag_force equal f_1
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thermo 10
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#thermo_style custom step time v_emag c_out_pe c_out_ke c_out_temp v_mag_force v_magnorm v_tmag etotal
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#thermo_style custom step time v_emag c_out_pe c_out_ke etotal
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thermo_style custom step time v_magnorm etotal
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thermo_modify format float %20.15g
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#fix out_vals all ave/time 1 1 50 step v_emag file temp_lattice_VSRSV.dat format %20.16g
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thermo_modify format float %20.15g
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#Dump the positions and spin directions of magnetic particles (vmd format)
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dump 1 all custom 5000 dump_VSRSV.lammpstrj type x y z spx spy spz
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dump 1 all custom 500 dump_VSRSV.lammpstrj type x y z spx spy spz
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#Running the simulations for N timesteps
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run 10000
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