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Colloquia

ics Colloquium
Friday, November 16, 2012
4:00 PM
Physics Building, Room 204
Note special time.
Gene Mele [Host: Genya Kolomeisky]
University of Pennsylvania
"Topological Band Theory and Twisted Multilayer Graphene"
 
 Slideshow (PDF)
ABSTRACT:
Topological insulators are a recently discovered quantum electronic phase of matter. This talk will give a brief overview of the known electronic phases of matter, focusing on the unique properties of topological insulators and their discovery from a careful consideration of the low energy electronic physics of single-layer graphene. Closely related topological ideas are then used to analyze the mysterious electronic behavior of a family of multilayer graphenes known as “twisted” graphenes in which a rotation of neighboring layers leads to unexpectedly rich low energy physics.
SLIDESHOW:

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