Effective easy-axis anisotropy of the two-sublattice single-chain magnet with twisted easy planes
https://doi.org/10.17586/2220-8054-2020-11-6-659-665
Abstract
An analytical solution for the spin-wave spectrum of the two-sublattice 1D magnet with SA=SB =1 and twisting easy planes has been obtained. Such planes are mutually twisted by an angle ϕ relative to each other. For the case of mutually orthogonal easy planes ϕ = π/2, the spectrum vs. quasi-momentum dependence has been compared with that of an easy-axis magnet with the easy axis aligned along the line of intersection of the planes. An analogy of the spectra of the models has been shown, indicating the possibility of the effective easy axis anisotropy in easy-plane two-sublattice single-chain magnets.
Supporting agencies: S.M.S. expresses deep gratitude to V.V. Val’kov. The main results of this work were with substantial use of the theory developed by him (see for example articles [10], [12] and references given in them), as well as on his previous advice. S.M.S. and M.N.P. acknowledges the support from the Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS” (Grants No. 20-1-4-25-1 and 19-1-1-12-2, respectively).
About the Authors
M. S. Shustin
L.V. Kirensky Institute of Physics
Russian Federation
Russian Federation
660036, Krasnoyarsk
M. N. Potkina
ITMO University, Kronverkskiy; St. Petersburg State University; Science Institute and Faculty of Physical Sciences
Russian Federation
Russian Federation
49, St. Petersburg, 197101
St. Petersburg, 198504
Univ. of Iceland 107 Reykjav´ık, Iceland
References
1. Zhang W.-X., Ishikawa R., Breedlove B., Yamashita M. Single-chain magnets: beyond the Glauber model. RSC Advances, 2013, 3, P. 3772– 3798.
2. Smirnov A.I., Glazkov V.N. Mesoscopic spin clusters, phase separation, and induced order in spin-gap magnets: A review. Journal of Experimental and Theoretical Physics, 2007, 105, P. 861–879.
3. Kosmachev O.A., Fridman Yu.A., Galkina E.G., Ivanov B.A. Dynamic properties of magnets with spin S = 3/2 and non-Heisenberg isotropic interaction. Journal of Experimental and Theoretical Physics, 2015, 147, P. 320.
4. Kudasov Yu.B., Korshunov A.S., Pavlov V.N., Maslov D.A. Frustrated lattices of Ising chains. Physics-Uspekhi, 2012, 55, P. 1169–1191.
5. Billoni O.V., Pianet V., Pescia A. V. Static and dynamic properties of single-chain magnets with sharp and broad domain walls. Physical Review B, 2011, 84, P. 064415(1–16).
6. Liu T., Zhang Y.-J., Kanegawa S., Sato O. Photoinduced Metal-to-Metal Charge Transfer toward Single-Chain Magnet. Journal of the American Chemical Society, 2010, 132, P. 8250–8251.
7. Val’kov, V. V., Shustin, M. S. Quantum Theory of Strongly Anisotropic Two-and Four-Sublattice Single-Chain Magnets. Journal of Low Temperature Physics, 2016, 185, P. 564–568.
8. Kajiwara T., Tanaka H., Yamashita M. Single-chain magnets constructed with a twisting arrangement of the easy-plane of iron (II) ions. Pure and Applied Chemistry, 2008, 80, P. 2297.
9. Kajiwara T., Tanaka H., Nakano M., Takaishi Sh., Nakazawa Ya., Yamashita M. Single-Chain Magnets Constructed by Using the Strict Orthogonality of Easy-Planes: Use of Structural Flexibility to Control the Magnetic Properties. Inorganic Chemistry, 2010, 49, P. 8358
10. Val’kov V.V., Val’kova T.A. Low-temperature magnetization of an easy-plane ferromagnet. Low Temperature Physics, 1985, 11 (9), P. 951– 959.
11. Fridman Yu.A., Kosmachev O.A. Quantum effects in an anisotropic ferrimagnet. Physics of Solid State, 2009, 51, P. 1167.
12. Val’kov, V. V., Shustin, M. S. Quantum renormalizations in anisotropic multisublattice magnets and the modification of magnetic susceptibility under irradiation. Journal of Experimental and Theoretical Physics, 2015, 121, P. 860.
13. Zaitcev R.O. Generalized diagram technique and spin waves in anisotropic antiferromagnet. Soviet Journal of Experimental and Theoretical Physics, 1975, 68, P. 207 (Ru).
14. S.V. Tyablikov, Methods in the Quantum Theory of Magnetism. Nauka, Moskow, 1975.
15. J.Hubbard, J. Proc. Roy. Soc. A, 1963, 276, P. 238.
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For citations:
Shustin M.S., Potkina M.N. Effective easy-axis anisotropy of the two-sublattice single-chain magnet with twisted easy planes. Nanosystems: Physics, Chemistry, Mathematics. 2020;11(6):659–665. https://doi.org/10.17586/2220-8054-2020-11-6-659-665
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