A new approach to (quasi) periodic boundary conditions in micromagnetics: the macrogeometry
A new approach to (quasi) periodic boundary conditions in micromagnetics: the macrogeometry
We present a new method to simulate repetitive ferromagnetic structures. This macro geometry approach combines treatment of short-range interactions (i.e. the exchange field) as for periodic boundary conditions with a specification of the arrangement of copies of the primary simulation cell in order to correctly include effects of the demagnetizing field. This method (i) solves a consistency problem that prevents the naive application of 3d periodic boundary conditions in micromagnetism and (ii) is well suited for the efficient simulation of repetitive systems of any size.
07D529
Fangohr, Hans
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Bordignon, Giuliano
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Franchin, Matteo
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Knittel, Andreas
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de Groot, Peter A.J.
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Fischbacher, Thomas
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2009
Fangohr, Hans
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Bordignon, Giuliano
eb3e7975-60d5-401e-9227-5c1bd7d0fcc3
Franchin, Matteo
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Knittel, Andreas
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de Groot, Peter A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Fischbacher, Thomas
d3282f31-0a6a-4d19-80d0-e3bebc12f67a
Fangohr, Hans, Bordignon, Giuliano, Franchin, Matteo, Knittel, Andreas, de Groot, Peter A.J. and Fischbacher, Thomas
(2009)
A new approach to (quasi) periodic boundary conditions in micromagnetics: the macrogeometry.
Journal of Applied Physics, 105 (7), .
(doi:10.1063/1.3068637).
Abstract
We present a new method to simulate repetitive ferromagnetic structures. This macro geometry approach combines treatment of short-range interactions (i.e. the exchange field) as for periodic boundary conditions with a specification of the arrangement of copies of the primary simulation cell in order to correctly include effects of the demagnetizing field. This method (i) solves a consistency problem that prevents the naive application of 3d periodic boundary conditions in micromagnetism and (ii) is well suited for the efficient simulation of repetitive systems of any size.
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Fang_08a.pdf
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Submitted date: 16 September 2008
Published date: 2009
Organisations:
Engineering Sciences
Identifiers
Local EPrints ID: 143929
URI: http://eprints.soton.ac.uk/id/eprint/143929
ISSN: 0021-8979
PURE UUID: f24eb89c-5aec-452d-a58d-5e7306e89180
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Date deposited: 13 Apr 2010 15:49
Last modified: 14 Mar 2024 02:43
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Contributors
Author:
Giuliano Bordignon
Author:
Matteo Franchin
Author:
Andreas Knittel
Author:
Peter A.J. de Groot
Author:
Thomas Fischbacher
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