[gmx-users] Electric field

[David van der Spoel]

On Thu, 5 Aug 2004, Shrivastava, Indira (NIH/NCI) wrote:

>Hello, 
> 
>I am doing simulations of a protein-in-membrane system, (with solvent), in
>which an electric field is applied across the membrane bilayer.  I use the
>value of E_z = 1.0E-09 nm-1 and E-z = -1.E-09 nm-1. Can someone let me know
>if  these values are reasonable?? How can I check to see the electric field
>in the simulations with opposite E_z values?? 
Typical potentials are on the order of 1 V/nm, or 1e9 V/m, which is the 
unit in the mdp file. You may want to turn on center of mass motion 
removal for groups if you play with voltages.

> 
>thanks
>Indira 
>

-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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