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<p class="MsoPlainTextCxSpFirst"><span style="font-size:11.0pt;color:black">Please take note of Colloquium taking place today, Tuesday, May 29, 2012 at 4:00 PM in The Robert Smith Seminar Room.  There will be a reception in the Atrium at 3:45 PM.  Details concerning
 the talk are as follows:<o:p></o:p></span></p>
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<h4 style="margin:0in;margin-bottom:.0001pt;mso-add-space:auto"><span style="font-size:11.0pt;font-family:"Georgia","serif";color:black;font-weight:normal">Speaker:               G. Baskaran -
</span><span style="font-size:11.0pt;font-family:"Georgia","serif";color:black;font-weight:normal">Perimeter Institute for Theoretical Physics (Canada) and The Institute of Mathematical Sciences (India)
<o:p></o:p></span></h4>
<h4 style="margin:0in;margin-bottom:.0001pt;mso-add-space:auto"><span style="font-size:11.0pt;font-family:"Georgia","serif";color:black;font-weight:normal">Date:                     Tuesday, May 29, 2012<o:p></o:p></span></h4>
<p class="MsoPlainTextCxSpFirst"><span style="font-size:11.0pt;color:black">Time:                    4:00 PM<o:p></o:p></span></p>
<p class="MsoPlainTextCxSpMiddle"><span style="font-size:11.0pt;color:black">Place:                    The Robert Smith Seminar Room<o:p></o:p></span></p>
<p class="MsoPlainTextCxSpLast"><span style="font-size:11.0pt;color:black">Title:                    
</span><span style="font-size:11.0pt;color:black">Graphene - from Simplicity to Complexity</span><span style="font-size:11.0pt;color:black"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;mso-add-space:auto"><span style="font-size:11.0pt;font-family:"Georgia","serif";color:black">Abstract:              
</span><span style="font-size:11.0pt;font-family:"Georgia","serif";color:black">Graphene, a 2 dimensional hexagonal net of p-pi bonded carbon atoms has received an enormous theoretical and experimental attention in the past years. I will sketch how complexity
 emerges from simplicity, in this mono-atomic 2-dimensional solid. Low energy electrons in graphene behave like 2 + 1 dimensional massless chiral Dirac particles. This underlies a variety of relativistic type phenomena that have been theoretically predicted:
 i) Klein tunnelling, ii) Zitterbewegung, iii) Lorenz boost, iv) Lorenz contraction, v) time dilation, vi) Majarona zero mode vii) parity anomaly and so on. There are also a variety of exciting possibilities: antilocalization, universal optical absorption,
 high-Tc magnetism, high-Tc chiral superconductivity in doped graphene. A pedagogic review, including some of our own work, will be presented.
<o:p></o:p></span></p>
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<p class="MsoPlainText"><span style="font-size:11.0pt">The website for the Colloquium is
<a href="https://www.physics.ohio-state.edu/news/colloquium.php">https://www.physics.ohio-state.edu/news/colloquium.php</a><o:p></o:p></span></p>
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