De Haas–van Alphen Effect in Single Crystal [Formula presented]

E. A. Yelland, J. R. Cooper, A. Carrington, N. E. Hussey, P. J. Meeson, S. Lee, Ayako Yamamoto, S. Tajima

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We report observations of quantum oscillations in single crystals of the high temperature superconductor [Formula presented]. Three de Haas–van Alphen frequencies are clearly resolved. Comparison with band structure calculations strongly suggests that two of these come from a single warped Fermi surface tube along the [Formula presented] direction, and that the third arises from cylindrical sections of an in-plane honeycomb network. The measured values of the effective mass range from [Formula presented]. By comparing these to calculated band masses, we find that the electron-phonon coupling strength [Formula presented] is a factor of [Formula presented] larger for the [Formula presented]-axis tube orbits than for the in-plane network orbit, in accord with recent microscopic calculations.

Original languageEnglish
Number of pages1
JournalPhysical Review Letters
Issue number21
Publication statusPublished - 2002 Jan 1
Externally publishedYes


ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Yelland, E. A., Cooper, J. R., Carrington, A., Hussey, N. E., Meeson, P. J., Lee, S., ... Tajima, S. (2002). De Haas–van Alphen Effect in Single Crystal [Formula presented]. Physical Review Letters, 88(21).