Commit c5d561a3 authored by Tonnam Balankura's avatar Tonnam Balankura
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pair_zhou docs: add equation, add link in section_commands and pairs

parent 52987a36
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\documentclass[12pt,fleqn]{article}
\usepackage{amsmath}
\thispagestyle{empty}

\begin{document}

\setlength{\jot}{2ex}
\begin{gather*}
  E = D_0 [\exp^{-2 \alpha (r-r_0)} - 2\exp^{-\alpha (r-r_0)}] - s_6 \frac{C_6}{r^6} f_{damp}(r,R_r) \\
  f_{damp}(r,R_r) = \frac{1}{1 + \exp^{-d(r/R_r - 1)}}
\end{gather*}

\end{document}
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@@ -1060,7 +1060,8 @@ package"_Section_start.html#start_3.
"table/rx"_pair_table_rx.html,
"tersoff/table (o)"_pair_tersoff.html,
"thole"_pair_thole.html,
"tip4p/long/soft (o)"_pair_lj_soft.html :tb(c=4,ea=c)
"tip4p/long/soft (o)"_pair_lj_soft.html,
"zhou"_pair_zhou.html :tb(c=4,ea=c)

:line

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@@ -13,15 +13,15 @@ pair_style zhou command :h3
pair_style zhou cutoff s6 d :pre

cutoff = global cutoff (distance units)
s6 = global scaling factor of the exchange-correlation functional used
d = damping scaling factor of Grimme's method :ul
s6 = global scaling factor of the exchange-correlation functional used (unitless)
d = damping scaling factor of Grimme's method (unitless) :ul

[Examples:]

pair_style zhou 12.0 0.75 20.0
pair_style hybrid/overlay eam/fs lj/charmm/coul/long 10.0 12.0 zhou 12.0 0.75 20.0 morse 5.5
pair_style hybrid/overlay eam/fs lj/charmm/coul/long 10.0 12.0 zhou 12.0 0.75 20.0 morse 5.5 :pre

pair_coeff 1*4 5 zhou 0.0 1.0 1.0 10.2847 2.361
pair_coeff 1 2 zhou 0.0 1.0 1.0 10.2847 2.361 :pre

[Description:]

@@ -31,6 +31,19 @@ force field described extensively in "(Fichthorn)"_#Fichthorn and
"(Zhou)"_#Zhou. This potential is widely used to correct for dispersion
in density functional theory calculations.

:c,image(Eqs/pair_zhou.jpg)

For the {zhou} pair style, the following coefficients must be defined for each
pair of atoms types via the "pair_coeff"_pair_coeff.html command as in the
examples above, or in the data file or restart files read by the 
"read_data"_read_data.html as described below:

D0 (energy units)
alpha (1/distance units)
r0 (distance units)
C6 (energy*distance^6 units)
Rr (distance units) :ul

:line

:link(Grimme)
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@@ -101,5 +101,6 @@ Pair Styles :h1
   pair_yukawa_colloid
   pair_zbl
   pair_zero
   pair_zhou

END_RST -->