Výsledky vyhledávání - "Y. V. Tymoshenko"

Akademický článek

Reentrant multiple-q magnetic order and a 'spin meta-cholesteric' phase in Sr3Fe2O7

Autor: N. D. Andriushin, J. Muller, N. S. Pavlovskii, J. Grumbach, S. Granovsky, Y. V. Tymoshenko, O. Zaharko, A. Ivanov, J. Ollivier, M. Doerr, B. Keimer, M. Mostovoy, D. S. Inosov, D. C. Peets

Publikováno v: npj Quantum Materials, Vol 9, Iss 1, Pp 1-6 (2024)

Abstract Topologically nontrivial magnetic structures such as skyrmion lattices are well known in materials lacking lattice inversion symmetry, where antisymmetric exchange interactions are allowed. Only recently, topological multi-q magnetic texture

Externí odkaz: https://doaj.org/article/e3faf66f8a7e46269886030c76a8be15

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Akademický článek

Lattice dynamics in the double-helix antiferromagnet FeP

Autor: A. S. Sukhanov, S. E. Nikitin, M. S. Pavlovskii, T. C. Sterling, N. D. Andryushin, A. S. Cameron, Y. V. Tymoshenko, H. C. Walker, I. V. Morozov, I. O. Chernyavskii, S. Aswartham, D. Reznik, D. S. Inosov

Publikováno v: Physical Review Research, Vol 2, Iss 4, p 043405 (2020)

We present a comprehensive investigation of lattice dynamics in the double-helix antiferromagnet FeP by means of high-resolution time-of-flight neutron spectroscopy and ab initio calculations. Phonons can hybridize with the magnetic excitations in no

Externí odkaz: https://doaj.org/article/531d54404aea4d5b802426a464c853e1

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Akademický článek

Magnonic Weyl states in Cu_{2}OSeO_{3}

Autor: L.-C. Zhang, Y. A. Onykiienko, P. M. Buhl, Y. V. Tymoshenko, P. Čermák, A. Schneidewind, J. R. Stewart, A. Henschel, M. Schmidt, S. Blügel, D. S. Inosov, Y. Mokrousov

Publikováno v: Physical Review Research, Vol 2, Iss 1, p 013063 (2020)

The multiferroic ferrimagnet Cu_{2}OSeO_{3} with a chiral crystal structure has attracted a lot of recent attention due to the emergence of a magnetic skyrmion order in this material. Here, the topological properties of its magnon excitations are sys

Externí odkaz: https://doaj.org/article/475b29c3ec944d9798e09625afdcfda0

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Akademický článek

Pseudo-Goldstone Magnons in the Frustrated S=3/2 Heisenberg Helimagnet ZnCr_{2}Se_{4} with a Pyrochlore Magnetic Sublattice

Autor: Y. V. Tymoshenko, Y. A. Onykiienko, T. Müller, R. Thomale, S. Rachel, A. S. Cameron, P. Y. Portnichenko, D. V. Efremov, V. Tsurkan, D. L. Abernathy, J. Ollivier, A. Schneidewind, A. Piovano, V. Felea, A. Loidl, D. S. Inosov

Publikováno v: Physical Review X, Vol 7, Iss 4, p 041049 (2017)

Low-energy spin excitations in any long-range ordered magnetic system in the absence of magnetocrystalline anisotropy are gapless Goldstone modes emanating from the ordering wave vectors. In helimagnets, these modes hybridize into the so-called helim

Externí odkaz: https://doaj.org/article/a545641831dd4f59be2539bb13b54d22

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Magnetic field dependence of low-energy magnons, anisotropic heat conduction, and spontaneous relaxation of magnetic domains in the cubic helimagnet ZnCr2Se4

Autor: Dmytro S. Inosov, Sergei Zherlitsyn, Dharmendra Shukla, D. J. Voneshen, Y. O. Onykiienko, Martin Boehm, Vladimir Tsurkan, Narayan Prasai, Alois Loidl, A. Akopyan, Mathias Doerr, Y. V. Tymoshenko, Joshua L. Cohn, Denis Gorbunov, V. Felea

Publikováno v: Physical Review B. 102

Anisotropic low-temperature properties of the cubic spinel helimagnet $\mathrm{Zn}{\mathrm{Cr}}_{2}{\mathrm{Se}}_{4}$ in the single-domain spin-spiral state are investigated by a combination of neutron scattering, thermal conductivity, ultrasound vel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::829fc0021ed1a145299510a45299d410
https://doi.org/10.1103/physrevb.102.184431

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Magnonic Weyl states in Cu2OSeO3

Autor: Stefan Blügel, Dmytro S. Inosov, Y. V. Tymoshenko, P. M. Buhl, A. Henschel, Astrid Schneidewind, Y. A. Onykiienko, J. R. Stewart, L.-C. Zhang, Petr Čermák, Yuriy Mokrousov, Michael W. I. Schmidt

Publikováno v: Physical review research 2(1), 013063 (2020). doi:10.1103/PhysRevResearch.2.013063

Physical review research 2(1), 013063 (2020). doi:10.1103/PhysRevResearch.2.013063
Published by APS, College Park, MD

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::456b6fe0532a9e24199a236614b3de34
https://publications.rwth-aachen.de/record/811605

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Lattice dynamics in the double-helix antiferromagnet FeP

Autor: S. E. Nikitin, I. O. Chernyavskii, Saicharan Aswartham, Y. V. Tymoshenko, Helen Walker, Dmytro S. Inosov, A. S. Cameron, N. D. Andryushin, M. S. Pavlovskii, A. S. Sukhanov, T. C. Sterling, Igor Morozov, Dmitry Reznik

We present a comprehensive investigation of lattice dynamics in the double-helix antiferromagnet FeP by means of high-resolution time-of-flight neutron spectroscopy and ab-initio calculations. Phonons can hybridize with the magnetic excitations in no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7f24e218e7b9d7e15c747e2d4a16964

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Rotation of the magnetic vortex lattice in Ru7B3 driven by the effects of broken time-reversal and inversion symmetry

Autor: M. Ciomaga Hatnean, D. McK. Paul, Robert Cubitt, A. S. Sukhanov, Y. S. Yerin, A. Heinemann, Y. V. Tymoshenko, A. S. Cameron, Dmytro S. Inosov, P. Y. Portnichenko, Geetha Balakrishnan

Publikováno v: Physical Review B. 100

We observe a hysteretic reorientation of the magnetic vortex lattice in the noncentrosymmetric superconductor ${\mathrm{Ru}}_{7}{\mathrm{B}}_{3}$, with the change in orientation driven by altering the magnetic field below ${T}_{\mathrm{c}}$. Normally

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::725a229c54f11855ae996d0b4c8e3660
https://doi.org/10.1103/physrevb.100.024518

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Pseudo-Goldstone Magnons in the Frustrated S=3/2 Heisenberg Helimagnet ZnCr2Se4 with a Pyrochlore Magnetic Sublattice

Autor: Douglas L. Abernathy, Stephan Rachel, Dmitry V. Efremov, Tobias Müller, Astrid Schneidewind, Jacques Ollivier, Dmytro S. Inosov, Vladimir Tsurkan, Andrea Piovano, Y. A. Onykiienko, Alois Loidl, P. Y. Portnichenko, V. Felea, A. S. Cameron, Ronny Thomale, Y. V. Tymoshenko

Publikováno v: Physical Review X. 7

Wave excitations (magnons) along the helical arrangement of magnetic moments in helimagnets generally travel along this helix, while orthogonal magnons are thought to require much higher energy. New experiments reveal the existence of low-energy orth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6bcaf599f8470404417a860b96892f4
https://doi.org/10.1103/physrevx.7.041049

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