Novel Phases of Matter in Strongly Interacting Systems

DIPC Seminars

Frank Pollmann, Technical University of Munich
Donostia International Physics Center
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Novel Phases of Matter in Strongly Interacting Systems Condensed matter is found in a variety of phases, the vast majority of which are characterized in terms of symmetry breaking. For example, magnets spontaneously break time-reversal and spin-rotation symmetries. A notable exception was provided by the discovery of the fractional quantum Hall effect which exhibits new kinds of topological orders not associated with any symmetry breaking. One of the characterizing features of topological order is the existence of excitations with exotic properties. These so-called anyonic excitations might make topologically ordered systems ideal building blocks of fault-tolerant quantum computers. In this talk, I will start by giving a general introduction to the concept of topological order and then address some of the recent developments. In particular, I will introduce theoretical frameworks that allow us to classify topological phases and discuss dynamical signatures that are useful to experimentally detect them. Host: Maia Garcia Vergniory