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  • Title: Nernst quantum oscillations in bulk semi-metals.
    Author: Zhu Z, Yang H, Banerjee A, Malone L, Fauqué B, Behnia K.
    Journal: J Phys Condens Matter; 2011 Mar 09; 23(9):094204. PubMed ID: 21339557.
    Abstract:
    With a widely available magnetic field of 10 T, one can attain the quantum limit in bismuth and graphite. At zero magnetic field, these two elemental semi-metals host a dilute liquid of carriers of both signs. All quasi-particles are confined to a few Landau tubes, when the quantum limit is attained. Each time a Landau tube is squeezed before definitely leaving the Fermi surface, the Nernst response sharply peaks. For bismuth, additional Nernst peaks, unexpected in the non-interacting picture, are resolved beyond the quantum limit. The amplitudes of these unexpected Nernst peaks become more pronounced for the samples with the longest electron mean free path.
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