Helicon dispersion and damping in aluminium | Zendy

Larsen P. K. | Zendy; Greisen F. C. | Zendy

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Helicon dispersion and damping in aluminium

Author(s) -

Larsen P. K.,

Greisen F. C.

Publication year - 1971

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220450141

Subject(s) - helicon , dispersion relation , physics , tensor (intrinsic definition) , aluminium , dispersion (optics) , interpretation (philosophy) , condensed matter physics , field (mathematics) , landau damping , fermi gamma ray space telescope , quantum electrodynamics , optics , quantum mechanics , magnetic field , materials science , mathematics , plasma , geometry , computer science , pure mathematics , metallurgy , programming language

The transmission of helicons through Al slabs has been investigated experimentally and numerically for q ∥ B ∥ [100] and [110]. In the former case oscillations are observed, for B smaller than the cut‐off field for helicons which might be of the Gantmakher‐Kaner type. Finally, the Landau damping for B not parallel to q is investigated. For comparison with the theory the non‐local magnetoconductivity tensor is calculated from Ashcroft's Fermi surface model and the helicon dispersion relation is solved numerically. This leads to a good overall interpretation of the experiments.

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