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Träfflista för sökning "L773:1063 777X ;pers:(Kulinich Sergeij I.)"

Sökning: L773:1063 777X > Kulinich Sergeij I.

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1.
  • Kadigrobov, Anatoli M., 1937, et al. (författare)
  • Microwave-induced spin-flip scattering of electrons in point contacts
  • 2011
  • Ingår i: Low Temperature Physics. - 1063-777X. ; 37:11, s. 925-932
  • Tidskriftsartikel (refereegranskat)abstract
    • We investigate resonant interaction of conduction electrons with an electromagnetic field that irradiates a point contact between a ferromagnetic and a normal metal in the presence of a strong magnetic field of order 1 T. We show that electron spin-flips caused by resonant absorption and stimulated emission of photons result in a sharp peak in the magnetic-field dependence of the point-contact resistance. The height of the peak is shown to be directly proportional to the net rate of energy transfer to the electromagnetic field in the point contact due to absorption and stimulated emission of photons. Estimations indicate that our theory can serve as a basis for the explanation of recent experiments [A.M. Kadigrobov et al., New J. Phys. 13, 023007 (2011)].
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2.
  • Kulinich, Sergeij I., et al. (författare)
  • Nanomechanics of a magnetic shuttle device
  • 2014
  • Ingår i: Low temperature physics. - : AIP Publishing. - 1063-777X .- 1090-6517. ; 40:10, s. 1161-1169
  • Tidskriftsartikel (refereegranskat)abstract
    • We show that self sustained mechanical vibrations in a model magnetic shuttle device can be driven by both the charge and the spin accumulated on the movable central island of the device. Different scenarios for how spin- and charge-induced shuttle instabilities may develop are discussed and shown to depend on whether there is a Coulomb blockade of tunneling or not. The crucial role of electronic spin flips in a magnetically driven shuttle is established and shown to cause giant magnetoresistance and dynamic magnetostriction effects.
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3.
  • Shekhter, Robert I., 1947, et al. (författare)
  • Electronic spin working mechanically (Review Article)
  • 2014
  • Ingår i: Low temperature physics. - : AIP Publishing. - 1063-777X .- 1090-6517. ; 40:7, s. 600-614
  • Tidskriftsartikel (refereegranskat)abstract
    • A single-electron tunneling (SET) device with a nanoscale central island that can move with respect to the bulk source- and drain electrodes allows for a nanoelectromechanical (NEM) coupling between the electrical current through the device and mechanical vibrations of the island. Although an electromechanical “shuttle” instability and the associated phenomenon of single-electron shuttling were predicted more than 15 years ago, both theoretical and experimental studies of NEM-SET structures are still carried out. New functionalities based on quantum coherence, Coulomb correlations and coherent electron-spin dynamics are of particular current interest. In this article we present a short review of recent activities in this area.
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4.
  • Skorobagatko, G. A., et al. (författare)
  • Magnetopolaronic effects in electron transport through a single-level vibrating quantum dot
  • 2011
  • Ingår i: Low Temperature Physics. - 1063-777X. ; 37:12, s. 1032-1037
  • Tidskriftsartikel (refereegranskat)abstract
    • Magnetopolaronic effects are considered in electron transport through a single-level vibrating quantum dot subjected to a transverse (to the current flow) magnetic field. It is shown that the effects are most pronounced in the regime of sequential electron tunneling, where a polaronic blockade of the current at low temperatures and an anomalous temperature dependence of the magnetoconductance are predicted. In contrast, for resonant tunneling of polarons the peak conductance is not affected by the magnetic field.
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  • Resultat 1-4 av 4

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