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<p>Dear Zara,</p>
<p>please consider adding your affiliation.</p>
<p>Concerning your problem: apart from the paper cited by Mostafa,
you might have problems with<br>
charge spilling into the vacuum, look, e.g., at this paper:<br>
<br>
<a class="moz-txt-link-freetext" href="http://journals.aps.org/prb/abstract/10.1103/PhysRevB.85.045121">http://journals.aps.org/prb/abstract/10.1103/PhysRevB.85.045121</a><br>
<br>
Regards,<br>
<br>
Thomas<br>
</p>
<br>
<div class="moz-cite-prefix">On 12/06/2016 09:15 AM, Mostafa Youssef
wrote:<br>
</div>
<blockquote
cite="mid:0AE34FFC1339F64387D182A8D7E4D99B98ADD5C1@OC11expo28.exchange.mit.edu"
type="cite">
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<div style="direction: ltr;font-family: Tahoma;color:
#000000;font-size: 10pt;">Dear Zara,
<div><br>
</div>
<div>Have a look at :</div>
<div><br>
</div>
<div><a moz-do-not-send="true"
href="http://journals.aps.org/prx/abstract/10.1103/PhysRevX.4.031044"
target="_blank" style="font-size: 10pt;">http://journals.aps.org/prx/abstract/10.1103/PhysRevX.4.031044</a></div>
<div><br>
</div>
<div><br>
</div>
<div>Regards,</div>
<div>Mostafa</div>
<div>MIT</div>
</div>
<br>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Dr. rer. nat. Thomas Brumme
Max Planck Institute for the Structure and Dynamics of Matter
Luruper Chaussee 149
22761 Hamburg
Tel: +49 (0)40 8998 6557
email: <a class="moz-txt-link-abbreviated" href="mailto:Thomas.Brumme@mpsd.mpg.de">Thomas.Brumme@mpsd.mpg.de</a>
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