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Geometrical Description of the Fractional Quantum Hall Effect

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arxiv 1106.3375 v2 pith:CYTXUZIQ submitted 2011-06-17 cond-mat.mes-hall gr-qchep-th

Geometrical Description of the Fractional Quantum Hall Effect

classification cond-mat.mes-hall gr-qchep-th
keywords quantumfluctuationsfractionalhallcharacterizeschargecollectivecontrolled
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The fundamental collective degree of freedom of fractional quantum Hall states is identified as a unimodular two-dimensional spatial metric that characterizes the local shape of the correlations of the incompressible fluid. Its quantum fluctuations are controlled by a topologically-quantized "guiding-center spin". Charge fluctuations are proportional to its Gaussian curvature.

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  1. Chiral Graviton Theory of Fractional Quantum Hall States

    cond-mat.str-el 2025-09 conditional novelty 6.0

    By gauging area-preserving diffeomorphisms and adding a Stueckelberg mass term, the paper constructs a nonlinear effective theory whose quadratic limit reproduces the bimetric description of the chiral spin-2 magnetoroton.