Geometrical and topological structure of magnetic fields generated by rectilinear wires.
Dumitrescu, Cristian (1999)
Balkan Journal of Geometry and its Applications (BJGA)
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Dumitrescu, Cristian (1999)
Balkan Journal of Geometry and its Applications (BJGA)
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François Alouges, Karine Beauchard (2008)
ESAIM: Control, Optimisation and Calculus of Variations
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The study of small magnetic particles has become a very important topic, in particular for the development of technological devices such as those used for magnetic recording. In this field, switching the magnetization inside the magnetic sample is of particular relevance. We here investigate mathematically this problem by considering the full partial differential model of Landau-Lifschitz equations triggered by a uniform (in space) external magnetic field.
Tuan Duong, Anh (2012)
Serdica Mathematical Journal
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2010 Mathematics Subject Classification: 81Q20 (35P25, 81V10). The purpose of this paper is to study the Schrödinger operator P(B,w) = (Dx-By^2+Dy^2+w^2x^2+V(x,y),(x,y) О R^2, with the magnetic field B large enough and the constant w № 0 is fixed and proportional to the strength of the electric field. Under certain assumptions on the potential V, we prove the existence of resonances near Landau levels as B®Ґ. Moreover, we show that the width of resonances is of size O(B^-Ґ). ...
Adam Piłat (2004)
International Journal of Applied Mathematics and Computer Science
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This paper presents how the FEMLab package can be used to perform the magnetic field analysis in the Active Magnetic Bearing (AMB). The AMB is an integral part of the industrial rotational machine laboratory model. The electromagnetic field distribution and density analysis allow verifying the designed AMB and the influence of the shaft and coil current changes on the bearing parameters.
Nagasawa, Michiyasu (2010)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Jan Philip Solovej (1991)
Journées équations aux dérivées partielles
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B. Helffer, J. Sjöstrand (1989)
Recherche Coopérative sur Programme n°25
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František Melkes, Alexander Ženíšek (1997)
Applications of Mathematics
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A special two-sided condition for the incremental magnetic reluctivity is introduced which guarantees the unique existence of both the weak and the approximate solutions of the nonlinear stationary magnetic field distributed on a region composed of different media, as well as a certain estimate of the error between the two solutions. The condition, being discussed from the physical as well as the mathematical point of view, can be easily verified and is fulfilled for various magnetic...
Udrişte, Constantin, Udrişte, Sorin (1996)
Balkan Journal of Geometry and its Applications (BJGA)
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