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Tunable quantum tunnelling of magnetic domain walls

โœ Scribed by Brooke, J.; Rosenbaum, T. F.; Aeppli, G.


Book ID
109776157
Publisher
Nature Publishing Group
Year
2001
Tongue
English
Weight
322 KB
Volume
413
Category
Article
ISSN
0028-0836

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Macroscopic quantum tunneling of a domai
โœ Gen Tatara; Hidetoshi Fukuyama ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 160 KB

The macroscopic quantum tunneling (MQT) of a planar domain wall in a ferromagnetic metal is studied based on the Hubbard model. The crucial difference from the case of the insulator is that the ohmic dissipation is present even at zero temperature due to the Stoner excitations characteristic of the