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Physics Colloquium, November 19, 2002The Quantum Hall Effect Meets Bose CondensationProf. Jim EisensteinCalifornia Institute of TechnologySurprisingly enough, when two layers of electrons are close enough together they can take on properties reminiscent of both superfluid helium and superconducting Josephson junctions and yet at the same time display a quantized Hall effect. This exotic state of affairs arises when Coulomb interactions join forces with a magnetic field to convert the bilayer electron gas into a Bose condensate of excitons. In this talk I will discuss recent experiments on this fascinating many-body system and speculate on what it might have still in store. 3.30 p.m., Smith Laboratory, Room 1005Refreshments served in Smith 1094 at 3:00 p.m. |
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