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Formation of a magnetic soliton lattice in copper metaborate / B. . Roessli [et al.] // Phys. Rev. Lett. - 2001. - Vol. 86, Is. 9. - P. 1885-1888, DOI 10.1103/PhysRevLett.86.1885. - Cited References: 26 . - ISSN 0031-9007

РУБ Physics, Multidisciplinary
Рубрики:
SPIN-WAVES
   BA2CUGE2O7
   TRANSITION
   ANTIFERROMAGNET
   CUGEO3
   PHASE
Кл.слова (ненормированные):
Anisotropy -- Antiferromagnetism -- Ground state -- Magnetic moments -- Magnetic properties -- Magnetization -- Neutron diffraction -- Neutron scattering -- Phase transitions -- Solitons -- Thermal effects -- Antiferromagnetic state -- Copper metaborate -- Higher order magnetic satellites -- Magnetic soliton lattice -- Magnetic structure -- Copper compounds
Аннотация: The magnetic ground state of CuB2O4 is incommensurate at T = 1.8 K and undergoes a continuous phase transition to a noncollinear commensurate antiferromagnetic state at T* similar to 10 K. Close to T* higher-order magnetic satellites are observed. Coexistence of long- and short-range magnetic order is observed in both magnetic phases. This suggests that the association of the Dzyaloshinskii-Moriya interaction and anisotropy leads to the formation of a magnetic soliton lattice.

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Держатели документа:
ETH Zurich, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
Paul Scherrer Inst, CH-5232 Villigen, Switzerland
SB RAS, Inst Phys, Krasnoyarsk 660036, Russia
Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
ИФ СО РАН
Laboratory for Neutron Scattering, ETH Zurich, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
Institute of Physics SB RAS, 660036 Krasnoyarsk, Russian Federation
Institut Laue-Langevin, Avenue des Martyrs, 38042 Grenoble, Cedex 9, France
Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland

Доп.точки доступа:
Roessli, B.; Schefer, J.; Petrakovskii, G. A.; Петраковский, Герман Антонович; Ouladdiaf, B.; Boehm, M.; Staub, U.; Vorotinov, A. M.; Bezmaternikh, L. N.
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Kolbysheva, O. P.
The coupling of solitons via phonons in the phi-4-phi-2-model / O. P. Kolbysheva, A. F. Sadreev // Zhurnal Eksperimentalnoi Teor. Fiz. - 1991. - Vol. 100, Is. 4. - P. 1262-1271. - Cited References: 9 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

Аннотация: The indirect coupling of solitons via phonons in the one-dimensional model phi-4-phi-2, as well as the coupling of plane domain walls in the d-dimensional model are analyzed. Both analytically and numerically, the indirect coupling is shown to be repulsive and significantly more long-range than the static coupling of solitons. The soliton coupling involving the soliton pinning is considered as well.

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Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович
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Cherkasskii, Mikhail.
Dispersion relation of nutation surface spin waves in ferromagnets / M. Cherkasskii, M. Farle, A. Semisalova // Phys. Rev. B. - 2021. - Vol. 103, Is. 17. - Ст. 174435, DOI 10.1103/PhysRevB.103.174435. - Cited References: 45. - We acknowledge partial funding by Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) Project No. 392402498 (SE 2853/1-1) and Project No. 405553726 CRC/TRR 270, and by the government of the Russian Federation (Agreement No. 075-15-2019-1886). We thank J.-E. Wegrowe, U. Nowak, and R. Mondal for valuable comments and helpful discussions . - ISSN 2469-9950. - ISSN 2469-9969

РУБ Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
FILMS
PROPAGATION
SOLITONS
Аннотация: Inertia effects inmagnetization dynamics are theoretically shown to result in a different type of spin waves, i.e., nutation surface spin waves, which propagate at terahertz frequencies in in-plane magnetized ferromagnetic thin films. Considering the magnetostatic limit, i.e., neglecting exchange coupling, we calculate dispersion relation and group velocity, which we find to be slower than the velocity of conventional (precession) spin waves. In addition, we find that the nutation surface spin waves are backward spin waves. Furthermore, we show that inertia causes a decrease of the frequency of the precession spin waves, namely magnetostatic surface spin waves and backward volume magnetostatic spin waves. The magnitude of the decrease depends on the magnetic properties of the film and its geometry.

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Держатели документа:
St Petersburg State Univ, Dept Gen Phys 1, St Petersburg 199034, Russia.
Univ Duisburg Essen, Fac Phys, D-47057 Duisburg, Germany.
Univ Duisburg Essen, Ctr Nanointegrat CENIDE, D-47057 Duisburg, Germany.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Farle, M.; Фарле, Михаель; Semisalova, Anna; Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)German Research Foundation (DFG) [392402498 (SE 2853/1-1), 405553726 CRC/TRR 270]; government of the Russian Federation [075-15-2019-1886]
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Kolovsky, A. R.
Bright Solitons and Self-Trapping with a Bose-Einstein Condensate of Atoms in Dri ven Tilted Optical Lattices [Text] / Andrey R. Kolovsky // Phys. Rev. A. - 2010. - Vol. 82. - P011601-4(R)

Доп.точки доступа:
Коловский, Андрей Радиевич
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