Magnon localization and Bloch oscillations in finite Heisenberg spin chains in an inhomogeneous magnetic field

We study the localization of magnon states in finite defect-free Heisenberg spin-1 2 ferromagnetic chains placed in an inhomogeneous magnetic field with a constant spatial gradient. Continuous transformation from the extended magnon states to the localized Wannier-Zeeman states in a finite spin chai...

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Veröffentlicht in:	Journal of physics. Condensed matter 2013-06, Vol.25 (24), p.246002-246002
Hauptverfasser:	Kosevich, Yuriy A, Gann, Vladimir V
Format:	Artikel
Sprache:	eng
Schlagworte:	Coherence Localization Magnetic fields Magnons Mathematical analysis Oscillations Position (location) Spin waves
Online-Zugang:	Volltext
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