Phase analysis of quantum oscillations in graphite

Details Phase analysis of quantum oscillations in graphite Phase analysis of quantum oscillations in graphite

2004-02-02

arxiv.org/abs/cond-mat/0402058v3

Phys. Rev. Lett. 93, 166402 (2004)

Physics

Condensed Matter

Strongly Correlated Electrons

latest version as was published in PRL

Scientific paper

10.1103/PhysRevLett.93.166402

The quantum de Haas van Alphen (dHvA) and Shubnikov de Haas (SdH) oscillations measured in graphite were decomposed by pass-band filtering onto contributions from three different groups of carriers. We develop the two-dimensional phase analysis method which allows to identify these carriers as (i) minority holes having two-dimensional (2D) parabolic massive spectrum, (ii) majority electrons, also massive but with intermediate 2D-3D spectrum, and (iii) majority holes with 2D Dirac-like spectrum which seems to be responsible for the unusual strongly-correlated electronic phenomena in graphite.

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