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Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 101, Issue 2, Pages 124–130 (Mi jetpl4532)  

This article is cited in 15 scientific papers (total in 15 papers)


Long-range spin imbalance in mesoscopic superconductors under a Zeeman splitting

I. V. Bobkovaab, A. M. Bobkova

a Institute of Solid State Physics, Russian Academy of Sciences
b Moscow Institute of Physics and Technology

Abstract: We develop a theory of spin relaxation in Zeeman-splitted superconducting films at low temperatures. A new mechanism of spin relaxation, specific only for Zeeman-splitted superconductors is proposed. It can explain the extremely high spin relaxation lengths, experimentally observed in Zeeman-splitted superconductors, and their strong growth with the magnetic field. In the framework of this mechanism the observed spin signal is formed by the spin-independent nonequilibrium quasiparticle distribution weighted by the spin-split DOS. We demonstrate that the relaxation length of such a spin signal is determined by the energy relaxation length at energies of the order of the superconducting gap.


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English version:
Journal of Experimental and Theoretical Physics Letters, 2015, 101:2, 118–124

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Document Type: Article
Received: 02.12.2014
Language: English

Citation: I. V. Bobkova, A. M. Bobkov, “Long-range spin imbalance in mesoscopic superconductors under a Zeeman splitting”, Pis'ma v Zh. Èksper. Teoret. Fiz., 101:2 (2015), 124–130; JETP Letters, 101:2 (2015), 118–124

Citation in format AMSBIB
\by I.~V.~Bobkova, A.~M.~Bobkov
\paper Long-range spin imbalance in mesoscopic superconductors under a Zeeman
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2015
\vol 101
\issue 2
\pages 124--130
\jour JETP Letters
\yr 2015
\vol 101
\issue 2
\pages 118--124

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    This publication is cited in the following articles:
    1. Krishtop T., Houzet M., Meyer J.S., “Nonequilibrium Spin Transport in Zeeman-Split Superconductors”, Phys. Rev. B, 91:12 (2015), 121407  crossref  adsnasa  isi  elib  scopus
    2. Kolenda S., Wolf M.J., Beckmann D., “Observation of Thermoelectric Currents in High-Field Superconductor-Ferromagnet Tunnel Junctions”, Phys. Rev. Lett., 116:9 (2016), 097001  crossref  adsnasa  isi  elib  scopus
    3. Bobkova I.V., Bobkov A.M., “Injection of Nonequilibrium Quasiparticles Into Zeeman-Split Superconductors: a Way To Create Long-Range Spin Imbalance”, Phys. Rev. B, 93:2 (2016), 024513  crossref  adsnasa  isi  elib  scopus
    4. Kolenda S., Machon P., Beckmann D., Belzig W., “Nonlinear thermoelectric effects in high-field superconductor-ferromagnet tunnel junctions”, Beilstein J. Nanotechnol., 7 (2016), 1579–1585  crossref  isi  elib  scopus
    5. Beckmann D., “Spin manipulation in nanoscale superconductors”, J. Phys.-Condes. Matter, 28:16 (2016), 163001  crossref  isi  scopus
    6. Virtanen P., Heikkila T.T., Bergeret F.S., “Stimulated quasiparticles in spin-split superconductors”, Phys. Rev. B, 93:1 (2016), 014512  crossref  isi  elib  scopus
    7. M. E. Bathen, J. Linder, “Spin Seebeck effect and thermoelectric phenomena in superconducting hybrids with magnetic textures or spin-orbit coupling”, Sci Rep, 7 (2017), 41409  crossref  isi  scopus
    8. I. V. Bobkova, A. M. Bobkov, “Thermospin Effects in Superconducting Heterostructures”, Phys. Rev. B, 96:10 (2017), 104515  crossref  isi
    9. S. Kolenda, C. Suergers, G. Fischer, D. Beckmann, “Thermoelectric Effects in Superconductor-Ferromagnet Tunnel Junctions on Europium Sulfide”, Phys. Rev. B, 95:22 (2017), 224505  crossref  isi  scopus
    10. Chevallier D., Trif M., Dutreix C., Guigou M., Quay C.H.L., Aprili M., Bena C., “Superconductor Spintronics: Modeling Spin and Charge Accumulation in Out-of-Equilibrium Nis Junctions Subjected to Zeeman Magnetic Fields”, New J. Phys., 20 (2018), 013014  crossref  isi  scopus
    11. Quay C.H.L., Aprili M., “Out-of-Equilibrium Spin Transport in Mesoscopic Superconductors”, Philos. Trans. R. Soc. A-Math. Phys. Eng. Sci., 376:2125 (2018), 20150342  crossref  isi  scopus
    12. Silaev M.A., “Quasiclassical Theory of Spin Dynamics in Superfluid He-3: Kinetic Equations in the Bulk and Spin Response of Surface Majorana States”, J. Low Temp. Phys., 191:5-6, SI (2018), 393–407  crossref  isi  scopus
    13. Aikebaier F., Silaev M.A., Heikkila T.T., “Supercurrent-Induced Charge-Spin Conversion in Spin-Split Superconductors”, Phys. Rev. B, 98:2 (2018), 024516  crossref  isi  scopus
    14. Ouassou J.A. Vethaak T.D. Linder J., “Voltage-Induced Thin-Film Superconductivity in High Magnetic Fields”, Phys. Rev. B, 98:14 (2018), 144509  crossref  isi  scopus
    15. Sebastian Bergeret F., Silaev M., Virtanen P., Heikkila T.T., “Colloquium: Nonequilibrium Effects in Superconductors With a Spin-Splitting Field”, Rev. Mod. Phys., 90:4 (2018), 041001  crossref  isi  scopus
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