Modeling of a nanocylinder
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BARANOV, Serghei Alexei. Modeling of a nanocylinder. In: Moldavian Journal of the Physical Sciences, 2021, nr. 1(20), pp. 44-55. ISSN 1810-648X. DOI: https://doi.org/10.53081/mjps.2021.20-1.03
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Moldavian Journal of the Physical Sciences
Numărul 1(20) / 2021 / ISSN 1810-648X /ISSNe 2537-6365

Modeling of a nanocylinder

DOI:https://doi.org/10.53081/mjps.2021.20-1.03
CZU: 538.9+532.511

Pag. 44-55

Baranov Serghei Alexei12
 
1 Institute of Applied Physics,
2 T.G. Shevchenko State University of Pridnestrovie, Tiraspol
 
 
Disponibil în IBN: 6 iulie 2021


Rezumat

The results of the theory of modeling for obtaining nanocylinders have been described. A case of a nanocylinder whose diameters are shorter than the Tolman length has been considered. This important issue is taken into account in studying a nanocylinder for which, in the simplest model, the thickness of the interfacial layer cannot be determined because it supposedly has a small size. At the same time, it has been shown that the introduction of a special form of anisotropy energy makes it possible to analytically describe the origin of an interfacial layer whose sizes can be regarded as sizes comparable to the Tolman length.

Sunt descrise rezultatele teoriei modelării pentru obținerea nanocilindrilor. Am considerat un caz în care nanocilindrul are diametre mai mici decât lungimea Tolman. Această întrebare importantă este luată în considerare atunci când se studiază nanocilindrul pentru care în cel mai simplu model nu s-a putut distinge grosimea stratului interfacial datorită dimensiunii sale presupuse mici. În același timp, se arată că introducerea unei forme speciale de energie anizotropică permite o descriere analitică a originii unui strat interfacial ale cărui dimensiuni pot fi considerate ca dimensiuni comparabile cu lungimea Tolman.

Cuvinte-cheie
nanocylinder, Tolman length, Heisenberg model, Euler–Lagrange equations, instantons or skyrmions,

nanocilindru, lungime Tolman, model Heisenberg, ecuații Euler-Lagrange, instantane sau skyrmions

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