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Pis'ma v Zh. Èksper. Teoret. Fiz., 2011, Volume 93, Issue 2, Pages 88–91 (Mi jetpl1811)  

This article is cited in 3 scientific papers (total in 3 papers)

CONDENSED MATTER

Goldstone mode relaxation in a quantum hall ferromagnet due to hyperfine interaction with nuclei

S. Dickmann

Institute for Solid State Physics of RAS, 142432 Chernogolovka, Moscow District, Russia

Abstract: Spin relaxation in quantum Hall ferromagnet regimes is studied. As the initial non-equilibrium state, a coherent deviation of the spin system from the $\vec B$ direction is considered and the breakdown of this Goldstone-mode state due to hyperfine coupling to nuclei is analyzed. The relaxation occurring non-exponentially with time is studied in terms of annihilation processes in the “Goldstone condensate” formed by “zero spin excitons”. The relaxation rate is calculated analytically even if the initial deviation is not small. This relaxation channel competes with the relaxation mechanisms due to spin-orbit coupling, and at strong magnetic fields it becomes dominating.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2011, 93:2, 86–90

Bibliographic databases:

Document Type: Article
Received: 08.12.2010
Language: English

Citation: S. Dickmann, “Goldstone mode relaxation in a quantum hall ferromagnet due to hyperfine interaction with nuclei”, Pis'ma v Zh. Èksper. Teoret. Fiz., 93:2 (2011), 88–91; JETP Letters, 93:2 (2011), 86–90

Citation in format AMSBIB
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\by S.~Dickmann
\paper Goldstone mode relaxation in a quantum hall ferromagnet due to hyperfine interaction with nuclei
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2011
\vol 93
\issue 2
\pages 88--91
\mathnet{http://mi.mathnet.ru/jetpl1811}
\transl
\jour JETP Letters
\yr 2011
\vol 93
\issue 2
\pages 86--90
\crossref{https://doi.org/10.1134/S0021364011020068}
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\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-79953141927}


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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. Dickmann S., Ziman T., “Competing hyperfine and spin-orbit couplings: Spin relaxation in a quantum Hall ferromagnet”, Physical Review B, 85:4 (2012), 045318  crossref  adsnasa  isi  elib  scopus
    2. Dickmann S., “Relaxation of the Cyclotron Spin-Flip Excitation in a Spin-Unpolarized Quantum Hall System”, Lith. J. Phys., 52:2 (2012), 96–101  crossref  mathscinet  isi  elib
    3. Larionov A.V., Kulik L.V., Dickmann S., Kukushkin I.V., “Goldstone Mode Stochastization in a Quantum Hall Ferromagnet”, Phys. Rev. B, 92:16 (2015), 165417  crossref  adsnasa  isi  elib  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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