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An electron state which decays both in vacuum and in the crystal is a surface state. Please see the work of Prof Volker Heine, ex-head of theory of condensed matter group, Cavendish laboratory Cambridge, on the subject. <BR>
All the best<BR> <BR>
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Date: Thu, 24 Sep 2009 21:28:22 -0500<BR>From: garcia.ff.000@gmail.com<BR>To: wien@zeus.theochem.tuwien.ac.at<BR>Subject: [Wien] Surface states<BR><BR>
<DIV>Dear All,</DIV>
<DIV> </DIV>
<DIV>I wish to ask experienced users the following question:</DIV>
<DIV> </DIV>
<DIV>What is a surface state and how can they be best identified in a slab calculation?</DIV>
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