Phase analysis of quantum oscillations in graphite.

  title={Phase analysis of quantum oscillations in graphite.},
  author={Igor A. Luk’yanchuk and Yakov Kopelevich},
  journal={Physical review letters},
  volume={93 16},
The quantum de Haas-van Alphen (dHvA) and Shubnikov-de Haas oscillations measured in graphite were decomposed by pass-band filtering onto contributions from three different groups of carriers. Generalizing the theory of dHvA oscillations for 2D carriers with an arbitrary spectrum and by detecting the oscillation frequencies using a method of two-dimensional phase-frequency analysis which we developed, we identified these carriers as (i) minority holes having a 2D parabolic massive spectrum p(2… 

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