From Topological Insulators to Majorana Fermions

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• Prof. Charles Kane, University of Pennsylvania
• Tuesday 23 October 2012, 14:15-15:15
• Mott Seminar Room, Cavendish Laboratory.

If you have a question about this talk, please contact Dr G Moller.

A topological insulator is a material that is an insulator on its interior, but has special conducting states on its surface. These surface states are unlike any other known two dimensional conductor. They are characterized by a unique Dirac type dispersion relation and are protected by a topological property of material’s underlying electronic structure. In this talk we will review the theoretical and experimental advances that opened the topological insulator field and discuss the related phenomena of topological superconductivity, in which the protected boundary states are Majorana fermions. We will discuss prospects for observing Majorana fermion states using Josephson junction devices that combine topological insulators with superconductivity.

Please note the unusual time and location.

This talk is part of the Theory of Condensed Matter series.

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