Search Results - "Leonov, A."

Multiply periodic states and isolated skyrmions in an anisotropic frustrated magnet by Leonov, A. O., Mostovoy, M.

“…Multiply periodic states appear in a wide variety of physical contexts, such as the Rayleigh–Bénard convection, Faraday waves, liquid crystals and skyrmion…”
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Edge states and skyrmion dynamics in nanostripes of frustrated magnets by Leonov, A. O., Mostovoy, M.

“…Magnetic skyrmions are particle-like topological excitations recently discovered in chiral magnets. Their small size, topological protection and the ease with…”
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Precursor phenomena at the magnetic ordering of the cubic helimagnet FeGe by Wilhelm, H, Baenitz, M, Schmidt, M, Rössler, U K, Leonov, A A, Bogdanov, A N

“…We report on detailed magnetic measurements on the cubic helimagnet FeGe in external magnetic fields and temperatures near the onset of long-range magnetic…”
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The properties of isolated chiral skyrmions in thin magnetic films by Leonov, A O, Monchesky, T L, Romming, N, Kubetzka, A, Bogdanov, A N, Wiesendanger, R

“…Axisymmetric solitonic states (chiral skyrmions) were first predicted theoretically more than two decades ago. However, until recently they have been observed…”
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Chiral Surface Twists and Skyrmion Stability in Nanolayers of Cubic Helimagnets by Leonov, A O, Togawa, Y, Monchesky, T L, Bogdanov, A N, Kishine, J, Kousaka, Y, Miyagawa, M, Koyama, T, Akimitsu, J, Koyama, Ts, Harada, K, Mori, S, McGrouther, D, Lamb, R, Krajnak, M, McVitie, S, Stamps, R L, Inoue, K

“…Theoretical analysis and Lorentz transmission electron microscopy (LTEM) investigations in an FeGe wedge demonstrate that chiral twists arising near the…”
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Internal structure of hexagonal skyrmion lattices in cubic helimagnets by McGrouther, D, Lamb, R J, Krajnak, M, McFadzean, S, McVitie, S, Stamps, R L, Leonov, A O, Bogdanov, A N, Togawa, Y

“…We report the most precise observations to date concerning the spin structure of magnetic skyrmions in a nanowedge specimen of cubic B20 structured FeGe…”
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Theory of skyrmion states in liquid crystals by Leonov, A O, Dragunov, I E, Rößler, U K, Bogdanov, A N

“…Within the Oseen-Frank theory we derive numerically exact solutions for axisymmetric localized states in chiral liquid crystal layers with homeotropic…”
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Hidden attractors in dynamical models of phase-locked loop circuits: Limitations of simulation in MATLAB and SPICE by Kuznetsov, N V, Leonov, G A, Yuldashev, M V, Yuldashev, R V

“…During recent years it has been shown that hidden oscillations, whose basin of attraction does not overlap with small neighborhoods of equilibria, may…”
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Equilibrium Skyrmion Lattice Ground State in a Polar Easy-plane Magnet by Bordács, S., Butykai, A., Szigeti, B. G., White, J. S., Cubitt, R., Leonov, A. O., Widmann, S., Ehlers, D., von Nidda, H.-A. Krug, Tsurkan, V., Loidl, A., Kézsmárki, I.

“…The skyrmion lattice state (SkL), a crystal built of mesoscopic spin vortices, gains its stability via thermal fluctuations in all bulk skyrmion host materials…”
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Metrological support of digital electronic voltage transformers and low-power voltage sensors by Grishin, M. V., Leonov, A. V, Kucobin, A. A.

“…Metrological support of digital electronic voltage transformers and low-power voltage sensors (converters, transformers) is presented. The methods and…”
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Extra-Optimal Methods for Solving Ill-Posed Problems: Survey of Theory and Examples by Leonov, A. S.

“…A new direction in methods for solving ill-posed problems, namely, the theory of regularizing algorithms with approximate solutions of extra-optimal quality is…”
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The quantum nature of skyrmions and half-skyrmions in Cu2OSeO3 by Janson, Oleg, Rousochatzakis, Ioannis, Tsirlin, Alexander A., Belesi, Marilena, Leonov, Andrei A., Rößler, Ulrich K., van den Brink, Jeroen, Rosner, Helge

“…The Skyrme-particle, the skyrmion, was introduced over half a century ago in the context of dense nuclear matter. But with skyrmions being mathematical…”
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Phase Modulations in a Speech Signal by Sorokin, V. N., Leonov, A. S.

“…Mathematical models of the phase function and its parameters in speech-signal analysis problems have been investigated. The phase spectrum of a speech signal…”
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Cosmic-ray positron energy spectrum measured by PAMELA by Adriani, O, Barbarino, G C, Bazilevskaya, G A, Bellotti, R, Bianco, A, Boezio, M, Bogomolov, E A, Bongi, M, Bonvicini, V, Bottai, S, Bruno, A, Cafagna, F, Campana, D, Carbone, R, Carlson, P, Casolino, M, Castellini, G, De Donato, C, De Santis, C, De Simone, N, Di Felice, V, Formato, V, Galper, A M, Karelin, A V, Koldashov, S V, Koldobskiy, S A, Krutkov, S Y, Kvashnin, A N, Leonov, A, Malakhov, V, Marcelli, L, Martucci, M, Mayorov, A G, Menn, W, Mergé, M, Mikhailov, V V, Mocchiutti, E, Monaco, A, Mori, N, Munini, R, Osteria, G, Palma, F, Papini, P, Pearce, M, Picozza, P, Pizzolotto, C, Ricci, M, Ricciarini, S B, Rossetto, L, Sarkar, R, Scotti, V, Simon, M, Sparvoli, R, Spillantini, P, Stochaj, S J, Stockton, J C, Stozhkov, Y I, Vacchi, A, Vannuccini, E, Vasilyev, G I, Voronov, S A, Yurkin, Y T, Zampa, G, Zampa, N, Zverev, V G

“…Precision measurements of the positron component in the cosmic radiation provide important information about the propagation of cosmic rays and the nature of…”
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Modeling the Solution of the Acoustic Inverse Problem of Scattering for a Three-Dimensional Nonstationary Medium by Bakushinsky, A. B., Leonov, A. S.

“…The inverse problem of acoustic sounding of a three-dimensional nonstationary medium is considered, based on the Cauchy problem for the wave equation with a…”
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Methods for Solving Ill-Posed Extremum Problems with Optimal and Extra-Optimal Properties by Leonov, A. S.

“…The notion of the quality of approximate solutions of ill-posed extremum problems is introduced and a posteriori estimates of quality are studied for various…”
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Assessment of Tracks of Resonance Frequencies of the Vocal Tract by Leonov, A. S., Sorokin, V. N.

“…A new method for estimating formant frequency tracks of the vocal tract for arbitrary speech segments is proposed. The method uses the ratio of two Fourier…”
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Resistance evaluation of electrical insulating polymer materials used in flexible cables to operational impact by Leonov, A., Soldatenko, T.

“…The article presents the test results of polymer material properties taking into account the possibility of their application for flexible cables insulation…”
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Multifrequency Inverse Problem of Scalar Acoustics: Remarks on Nonuniqueness and Solution Algorithm by Bakushinsky, A. B., Leonov, A. S.

“…A three-dimensional multifrequency inverse problem of acoustic sounding of a stationary inhomogeneous medium is considered. This nonlinear inverse problem is…”
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Effective Algorithms for Computing Global and Local Posterior Error Estimates of Solutions to Linear Ill-Posed Problems by Leonov, A. S.

“…We consider extremal problems introduced and investigated earlier by the author for calculating global and local a posteriori error estimates of approximate…”
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