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SUMMARY:Geometrical Description of the Fractional Quantum Hall Effect - Pr
 of F D M Haldane\, Princeton University
DTSTART:20110627T131500Z
DTEND:20110627T141500Z
UID:TALK31964@talks.cam.ac.uk
CONTACT:nrc25
DESCRIPTION:The fundamental collective degree of freedom of fractional qua
 ntum Hall states is identified as a unimodular two-dimensional spatial met
 ric that characterizes the local shape of the correlations of the incompre
 ssible fluid. Its quantum fluctuations are controlled by a topologically-q
 uantized "guiding-center spin". Charge fluctuations are proportional to it
 s Gaussian curvature. 
LOCATION:TCM Seminar Room\, Cavendish Laboratory
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