Energy Spectrum for Neutral Collective Excitations in Striped Hall States
classification
❄️ cond-mat.mes-hall
hep-th
keywords
approximationcollectiveexcitationshallneutralspectrumstripedanisotropic
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Neutral collective excitations in the striped Hall state are studied by using the single mode approximation and Hartree-Fock approximation at the half-filled third and fourth Landau level. We find that the spectrum includes anisotropic NG modes and periodic line nodes.
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