Fluctuations of a holographic quantum Hall fluid

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Abstract

We analyze the neutral spectrum of the holographic quantum Hall fluid de-scribed by the D2-D8’ model. As expected for a quantum Hall state, we find the system to be stable and gapped and that typically the lowest excitation mode is a magneto-roton. In addition, we find magneto-rotons in higher modes as well. We show that these magneto-rotons are direct consequences of level crossings between vector and scalar modes.

Keywords

Holography and condensed matter physics (AdS/CMT) AdS-CFT Correspondence 
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Copyright information

© SISSA, Trieste, Italy 2012

Authors and Affiliations

  • Niko Jokela
    • 1
    • 2
  • Matti Järvinen
    • 3
  • Matthew Lippert
    • 3
  1. 1.Department of Physics, TechnionHaifaIsrael
  2. 2.Department of Mathematics and PhysicsUniversity of Haifa at OranimTivonIsrael
  3. 3.Crete Center for Theoretical Physics, Department of PhysicsUniversity of CreteHeraklionGreece

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