mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal Universitymrisel-160Research ArticleСтатьиSpin kinetics in Kondo lattice with heavy fermionsBelovS. I.

Kremlevskaya, 18, Kazan 420008

Sergei.Belov@ksu.ruKutuzovA. S.

Kremlevskaya, 18, Kazan 420008

Kazan Federal UniversityRussian Federation20122001202414112103 (15 pp.)Copyright © Belov S.I., Kutuzov A.S., 20242024Belov S.I., Kutuzov A.S.Belov S.I., Kutuzov A.S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/160

We investigated the spin dynamics in the heavy fermion compounds YbRh2Si2 and YbIr2Si2. The contributions of the resonant and nonresonant parts of the total transverse magnetization to the electron spin resonance (ESR) parameters are analyzed for different orientations of the static and microwave magnetic fields. It is shown that at high temperatures, when the Kondo effect is absent, the nonresonant terms may be essential in the case of the perpendicular orientation of the static magnetic field to the crystal symmetry axis. In the presence of the Kondo effect the nonresonant parts do not make a significant contribution to the ESR parameters for any configuration of the magnetic fields.

electron paramagnetic resonanceKondo latticeheavy fermionsKondo effectcollective spin modeThis work was supported by the Volkswagen Foundation (I/84689) and partially by the Ministry of Education and Science of the Russian Federation.ReferencesSichelschmidt J., Ivanshin V.A., Ferstl J., Geibel C., Steglich F. Phys. Rev. Lett. 91, 156401 (2003)Sichelschmidt J., Ivanshin V.A., Ferstl J., Geibel C., Steglich F. Phys. Rev. Lett. 91, 156401 (2003)Abrahams E., Wölfle P. Phys. Rev. B 78, 104423 (2008)Abrahams E., Wölfle P. Phys. Rev. B 78, 104423 (2008)Wölfle P., Abrahams E. Phys. Rev. B 80, 235112 (2009)Wölfle P., Abrahams E. Phys. Rev. B 80, 235112 (2009)Schlottmann P. Phys. Rev. B 79, 045104 (2009)Schlottmann P. Phys. Rev. B 79, 045104 (2009)Huber D.L. J. Phys.: Condens. Matter 21, 322203 (2009)Huber D.L. J. Phys.: Condens. Matter 21, 322203 (2009)Huber D.L. J. Phys.: Condens. Matter 24, 226001 (2012)Huber D.L. J. Phys.: Condens. Matter 24, 226001 (2012)Huber D.L. Mod. Phys. Lett. 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The authors declare that there are no conflicts of interest present.