Commit c66ddf9a authored by Ulf R. Pedersen's avatar Ulf R. Pedersen Committed by GitHub
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Update fix_rhok.txt

parent 285a123c
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+9 −13
Original line number Diff line number Diff line
@@ -18,7 +18,9 @@ a = anchor point of bias potential :ul
[Examples:]

fix bias all rhok 16 0 0 4.0 16.0
fix bias Bs rhok 12 12 0 10.0 24.0 :pre
fix 1 all npt temp 0.8 0.8 4.0 z 2.2 2.2 8.0
# output                             U_bias rho_k_RE  rho_k_IM  |rho_k|
thermo_style custom step temp pzz lz f_bias f_bias\[1\] f_bias\[2\] f_bias\[3\] :pre

[Description:]

@@ -27,20 +29,14 @@ The fix applies an force to atoms given by the potential
:c,image(Eqs/fix_rhok.jpg)

as described in "(Pedersen)"_#Pedersen. 
The energy and the value of the
collective density field can be written by including

# output                                U_bias rho_k_RE  rho_k_IM |rho_k| 
thermo_style custom step temp pzz pe lz f_bias f_bias\[1\] f_bias\[2\] f_bias\[3\] :pre

to the input script.

This field that bias long-range order 
can be used to study crystal-liquid interfaces,
This field, that bias configurations with long-range order, 
can be used to study crystal-liquid interfaces
and determine melting temperatures "(Pedersen)"_#Pedersen.
The folder {examples/pinning} of the source code 
contains an example of using the interface pinning method 
on the Lennard-Jones system.

An example of using the interface pinning method 
is located in the folder 
{examples/USER/pinning} of the source code to LAMMPS.

[Restrictions:]