Signatures of ballistic and diffusive transport in the time-dependent Kerr-response of magnetic materials

We calculate the influence of diffusive and ballistic transport on ultrafast magnetization in thick metallic films. When only diffusive transport is present, gradients of magnetization in the material remain up to picosecond timescales. In contrast, when ballistic transport dominates, the magnetizat...

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Detalhes bibliográficos

Principais autores:	Sanjay Ashok, Jonas Hoefer, Martin Stiehl, Martin Aeschlimann, Hans Christian Schneider, Baerbel Rethfeld, Benjamin Stadtmüller
Formato:	Artigo
Idioma:	Inglês
Publicado em:	IOP Publishing 2025-01-01
coleção:	New Journal of Physics
Assuntos:	ultrafast magnetization dynamics diffusive transport ballistic transport magneto-optic Kerr effect nanoscale magnetism
Acesso em linha:	https://doi.org/10.1088/1367-2630/adce23
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