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Physics Colloquium: "Messy magnets and dirty superfluids"

SpeakerGil Refael, California Institute of Technology
Date Apr 30, 2014
Time 4:00 pm  
Location 141 Loomis
Cost None
Sponsor Physics Department
Contact Marjorie Gamel
Phone 217-333-3762
Event type Seminar/Symposium
Views 4946
Originating Calendar Physics - Colloquium

Magnets and superfluids provide the simplest examples of symmetry breaking and correlations in interacting quantum systems. When disorder is thrown into the mix, particularly in low-dimensional quantum systems, novel and universal behavior often emerges. In my talk I will first explore some surprising effects of disorder in systems of non-interacting electrons, and magnetic chains. I will then focus on the superfluid-insulator transition for interacting bosons in a disordered environment, where recent research brought about a new understanding of superfluidity and its demise in low-dimensional disordered bosonic systems.

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