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Controllable switching of vortex chirality in magnetic nanodisks by a field pulse | | Yuri Gaididei
; Denis D. Sheka
; Franz G. Merten
; | | Date: |
23 Oct 2007 | | Abstract: | We propose a way of fast switching the chirality in a magnetic nanodisk by
applying a field pulse. To break the symmetry with respect to clockwise or
counterclockwise chirality a mask is added by which an inhomogeneous field
influences the vortex state of a nanodisk. Using numerical spin--lattice
simulations we demonstrate that chirality can be controllably switched by a
field pulse, whose intensity is above some critical value. A mathematical
definition for the chirality of an arbitrary shaped particle is proposed. | | Source: | arXiv, 0710.4288 | | Services: | Forum | Review | PDF | Favorites | |
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