Magnon Drops in One-Dimensional Ferromagnetic Structures

The spectrum of elementary excitations arising in processes of desintegration of magnon drops in one‐dimensional ferromagnetic structures is investigated. A new method of solving the gap equation is used. It is shown that those elementary excitations are gapless. This result is in accordance with Go...

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Veröffentlicht in:	Physica status solidi. B. Basic research 1985-03, Vol.128 (1), p.151-157
Hauptverfasser:	Mirjanić, D. Lj, Bundalo, Z., Tošić, B. S., Šetrajčić, J. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Physics Spin waves
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The spectrum of elementary excitations arising in processes of desintegration of magnon drops in one‐dimensional ferromagnetic structures is investigated. A new method of solving the gap equation is used. It is shown that those elementary excitations are gapless. This result is in accordance with Goldstone's theorem. It was also shown that these elementary excitations do not lead to the superfluidity effect. [Russian Text Ignored].
ISSN:	0370-1972 1521-3951
DOI:	10.1002/pssb.2221280118