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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Dear Mohammad,<br>
<br>
Yes you can simulate electric field effect on bulk 3D material. In pw.x input description check lelfield = .true.
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Also check these two papers:<br>
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<a href="http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.89.157602" target="_blank">http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.89.157602</a><br>
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<a href="http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.89.117602" target="_blank">http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.89.117602</a><br>
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<br>
Regards,<br>
Mostafa<br>
NU/MIT<br>
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