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- O Entin-Wohlman, A Aharony, Y M Galperin, V I Kozub, V Vinokur
- Physical review letters
- 2005

The Rashba and Dresselhaus spin-orbit interactions are both shown to yield the low temperature spin-Hall effect for strongly localized electrons coupled to phonons. A frequency-dependent electric field E(omega) generates a spin-polarization current, normal to E, due to interference of hopping paths. At zero temperature the corresponding spin-Hall… (More)

- L Y Gorelik, R I Shekhter, V M Vinokur, D E Feldman, V I Kozub, M Jonson
- Physical review letters
- 2003

We demonstrate that it is possible to manipulate the magnetic coupling between two nanomagnets by means of an ac electric field. In the scheme suggested, the magnetic coupling is mediated by a magnetic particle that is in contact with both nanomagnets via tunnel barriers. The time-dependent electric field is applied so that the height of first one barrier… (More)

- V I Kozub
- Physical review letters
- 2001

We have investigated the effect of the long-range Coulomb interaction on the one-particle excitation spectrum of n-type germanium, using tunneling spectroscopy on mechanically controllable break junctions. At low temperatures, the tunnel conductance shows a minimum at zero bias voltage due to the Coulomb gap. Above 1 K, the gap is filled by thermal… (More)

- N V Agrinskaya, V I Kozub, D V Shamshur, A V Shumilin, Y M Galperin
- Journal of physics. Condensed matter : an…
- 2010

We observed a slow relaxation of the magnetoresistance in response to an applied magnetic field in selectively doped p-GaAs-AlGaAs structures with a partially filled upper Hubbard band. We have paid special attention to excluding the effects related to temperature fluctuations. Although these effects are important, we have found that the general features of… (More)

- V I Kozub, A A Zyuzin, Y M Galperin, V Vinokur
- Physical review letters
- 2006

We develop a theory of the low-temperature charge transfer between a superconductor and a hopping insulator. We show that the charge transfer is governed by the coherent two-electron-Cooper pair conversion process time-reversal reflection, where electrons tunnel into a superconductor from the localized states in the hopping insulator located near the… (More)

- V L Gurevich, V I Kozub, M I Muradov
- Journal of physics. Condensed matter : an…
- 2010

The nonlocal dynamical response of a ballistic nanobridge to an applied potential oscillating with frequency ω is considered. It is shown that, in addition to the active conductance, there is also a reactive contribution. This contribution turns out to be inductive for relatively small frequencies ω. For bigger frequencies the current response is either… (More)

- V I Vdovychenko, I S Sadovyĭ, O P Podorozhnyĭ, V I Kozub, L O Burlachenko, L M Zachek
- Likars'ka sprava
- 1998

- V L Gurevich, V I Kozub, M I Muradov
- Journal of physics. Condensed matter : an…
- 2011

We consider Joule heat release in a quantum wire joining two classical reservoirs under the action of a nonstationary periodic electric field. The rate of heat generation and its spatial distribution is discussed. The heat is spread over the lengths of electron mean free paths in the reservoirs. We find that the total rates of heat generation in both… (More)

- V I Kozub, A V Lopatin, V M Vinokur
- Physical review letters
- 2003

We investigate the Josephson transport through a thin semiconductor barrier containing impurity centers with the on-site Hubbard interaction u of an arbitrary sign and strength. We find that in the case of the repulsive interaction the Josephson current changes sign with the temperature increase if the energy of the impurity level epsilon (measured from the… (More)

- V L Gurevich, V I Kozub
- Journal of physics. Condensed matter : an…
- 2011

We consider a residual resistance and Joule heat release in 2D nanostructures as well as in ordinary 3D conductors. We assume that elastic scattering of conduction electrons by lattice defects is predominant. Within a rather intricate situation in such systems we discuss in detail two cases. (1) The elastic scattering alone (i.e. without regard of inelastic… (More)