I found this from http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PW.html:
*Amplitude of the electric field, in ***Hartree*** a.u.; 1 a.u. = 51.4220632*10^10 V/m.* Hope it can be helpful. On Wed, Sep 13, 2017 at 10:48 AM, balabi <[email protected]> wrote: > Dear developers, > In the input_pw.html, item , it is said that "...... the magnitude of > the electric field [Ry/a.u.]......". I got confused with this. I thought Ry > is energy and a.u. is length, then Ry/a.u. is force. How could it be > electric field? > > best regards > > _______________________________________________ > Pw_forum mailing list > [email protected] > http://pwscf.org/mailman/listinfo/pw_forum
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