The results of scientific workshop: Spin-polarized current and spin-transfer torque

According to the results of the scientific workshop I want to publish final presentation and put it to the free access, you can find it by the link: Download

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Fun with very large numbers from R. Baillie

I have found a link to an interesting paper in a one social network. Robert Baille shows a few tricks with «almost» true functions: they can be true in the huge interval of their arguments, but fail for the other their values. And numerical methods will fail for direct check. Link…

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Scientific workshop: Spin-polarized current and spin-transfer torque

I am pleased to invite everyone to the scientific workshop, which will be held on 14th January at the Bogolyubov Institute for Theoretical Physics (14-b, Metrolohichna str.Kiev, Ukraine) and will start at 3 PM. On this workshop I want to tell about the nature of spin-polarized current in magnetic multilayers…

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pybibparse v0.11

First version of python-based bibtex parser pybibparse v0.11 is released! Improved work with entries: they are accessible via index in internal list of entries. Use and enjoy 🙂

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Magnetic vortex-antivortex crystals generated by spin-polarized current

We study vortex pattern formation in thin ferromagnetic films under the action of strong spin-polarized currents. Considering the currents which are polarized along the normal of the film plane, we determine the critical current above which the film goes to a saturated state with all magnetic moments being perpendicular to…

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Bloch Point Structure in a Magnetic Nanosphere

We classify possible types of Bloch points and analytically derive the shape of the magnetization distribution for different Bloch points. Phys. Rev. B 85, 224401 (2012), 10.1103/PhysRevB.85.224401, PDF. Supplementary materials.

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Out-of-surface vortices in spherical shells

We show that the curvature of the underlying surface leads to a coupling between the localized out-of-surface component of the vortex with its delocalized in-surface structure, i.e., polarity-chirality coupling. Phys. Rev. B 85, 144433 (2012), 10.1103/PhysRevB.85.144433, PDF.

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Source code

Source code of slasi module for simulations consists of the next files: alltypes.h: definition of structures and global variables used in all another files. clargs.c/clargs.h: processing of command-line arguments. constants.h: some constants. fields.c/fields.h: functions for magnetic field processing: initialization (reducing field parameters) and calculation of field for given time and…

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