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<CENTER><A HREF = "http://lammps.sandia.gov">LAMMPS WWW Site</A> - <A HREF = "Manual.html">LAMMPS Documentation</A> - <A HREF = "Section_commands.html#comm">LAMMPS Commands</A>
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<H3>dielectric command
</H3>
<P><B>Syntax:</B>
</P>
<PRE>dielectric value
</PRE>
<UL><LI>value = dielectric constant
</UL>
<P><B>Examples:</B>
</P>
<PRE>dielectric 2.0
</PRE>
<P><B>Description:</B>
</P>
<P>Set the dielectric constant for Coulombic interactions (pairwise and
long-range) to this value. The constant is unitless, since it is used
to reduce the strength of the interactions. The value is used in the
denominator of the formulas for Coulombic interactions - e.g. a value
of 4.0 reduces the Coulombic interactions to 25% of their default
strength. See the <A HREF = "pair_style.html">pair_style</A> command for more
details.
</P>
<P><B>Restrictions:</B> none
</P>
<P><B>Related commands:</B>
</P>
<P><A HREF = "pair_style.html">pair_style</A>
</P>
<P><B>Default:</B>
</P>
<PRE>dielectric 1.0
</PRE>
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