A Glance at the Exotic Quantum Liquids and Solids of the Two-Dimensional Electron Gas

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• Associate Professor Gábor A. Csáthy, Purdue University, USA
• Wednesday 05 November 2014, 14:15-15:15
• Mott Seminar Room, Cavendish Laboratory, Department of Physics.

If you have a question about this talk, please contact Teri Bartlett.

The two-dimensional electron gas is a fascinating model system with an astonishingly large number of ground states. The study of this system has enriched quantum many-body physics with novel concepts such as composite fermions, topological invariants, and quasiparticles with fractional charge. The description of a small number of recently observed fractional quantum Hall states, however, may require an even more sophisticated set of concepts such as Pfaffian electronic correlations and non-Abelian statistics.

Cooling of the electrons to ultra-low temperatures has led to the discovery of new fractional states and the chance to study others in the new regime of very low densities. In this talk I will discuss how these results have shaped our understanding of both the even- and odd-denominator fractional quantum Hall states developing in the area of phase space called the second Landau level. I will also highlight new results on the exotic electronic solids forming in this region.

This talk is part of the Semiconductor Physics Group Seminars series.

This talk is included in these lists:

• All Cavendish Laboratory Seminars
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• Centre for Health Leadership and Enterprise
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• ME Seminar
• Mott Seminar Room, Cavendish Laboratory, Department of Physics
• Neurons, Fake News, DNA and your iPhone: The Mathematics of Information
• School of Physical Sciences
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• Thin Film Magnetic Talks

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