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Regions in momentum space where the spectrum of energy fluctuations has negative eigenvalues. [Gia-Wei Chern, R. Moessner, and O. Tchernyshyov, Phys. Rev. B 78, 144418 (2008)] |
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Regions in momentum space where the spectrum of energy fluctuations has negative eigenvalues. [Gia-Wei Chern, R. Moessner, and O. Tchernyshyov, Phys. Rev. B 78, 144418 (2008)] |