329 citations · 2.2k across the 58 of their papers we have counts for
36 papers · 1 filter
Heat switch and thermoelectric effects based on Cooper-pair splitting and elastic cotunneling
N. S. Kirsanov, Z. B. Tan, D. S. Golubev +2
In this paper, we demonstrate that the hybrid normal-superconducting-normal (NSN) structure has potential for a multifunctional thermal device which could serve for heat flux contr…
Thermal relaxation in titanium nanowires: signatures of inelastic electron-boundary scattering in heat transfer
Teemu Elo, Pasi Lähteenmäki, Dmitri Golubev +3
We have employed noise thermometry for investigations of thermal relaxation between the electrons and the substrate in nanowires patterned from 40-nm-thick titanium film on top of…
Cooper Pair Splitting by means of Graphene Quantum Dots
Z. B. Tan, D. Cox, T. Nieminen +4
Split Cooper pair is a natural source for entangled electrons which is a basic ingredient for quantum information in solid state. We report an experiment on a superconductor-graphe…
Spin torque switching of an in-plane magnetized system in a thermally activated region
Tomohiro Taniguchi, Yasuhiro Utsumi, Michael Marthaler +2
The current dependence of the exponent of the spin torque switching rate of an in-plane magnetized system was investigated by solving the Fokker-Planck equation with low temperatur…
Non-local electron transport and Coulomb effects in three-terminal metallic conductors
D. S. Golubev, A. D. Zaikin
We demonstrate a close relation between Coulomb effects in non-local electron transport and non-local shot noise in three-terminal metallic conductors. Provided the whole structure…
Weak localization, Aharonov-Bohm oscillations and decoherence in arrays of quantum dots
Dmitri S. Golubev, Andrew G. Semenov, Andrei D. Zaikin
Combining scattering matrix theory with non-linear -model and Keldysh technique we develop a unified theoretical approach enabling one to non-perturbatively study the effect of…
Single-Electron Tunneling and the Fluctuation Theorem
Y. Utsumi, D. S. Golubev, M. Marthaler +2
Experiments on the direction-resolved full-counting statistics of single-electron tunneling allow testing the fundamentally important Fluctuation Theorem (FT). At the same time, th…
Magnetic field and contact resistance dependence of non-local charge imbalance
A. Kleine, A. Baumgartner, J. Trbovic +3
Crossed Andreev reflection (CAR) in metallic nanostructures, a possible basis for solid-state electron entangler devices, is usually investigated by detecting non-local voltages in…
Bidirectional Single-Electron Counting and the Fluctuation Theorem
Y. Utsumi, D. S. Golubev, M. Marthaler +3
We investigate theoretically and experimentally the full counting statistics of bidirectional single-electron tunneling through a double quantum dot in a GaAs/GaAlAs heterostructur…
Aharonov-Bohm oscillations in coupled quantum dots: Effect of electron-electron interactions
Andrew G. Semenov, Dmitri S. Golubev, Andrei D. Zaikin
We theoretically analyze the effect of electron-electron interactions on Aharonov-Bohm (AB) current oscillations in ring-shaped systems with metallic quantum dots pierced by extern…
Disorder-induced pseudodiffusive transport in graphene nanoribbons
Petra Dietl, Georgo Metalidis, Dmitri Golubev +4
We study the transition from ballistic to diffusive and localized transport in graphene nanoribbons in the presence of binary disorder, which can be generated by chemical adsorbate…
Quantum decoherence of interacting electrons in arrays of quantum dots and diffusive conductors
D. Golubev, A. Zaikin
We develop a new unified theoretical approach enabling us to non-perturbatively study the effect of electron-electron interactions on weak localization in arbitrary arrays of quant…
Weak localization in a system with a barrier: Dephasing and weak Coulomb blockade
D. S. Golubev, A. D. Zaikin
We non-perturbatively analyze the effect of electron-electron interactions on weak localization (WL) in relatively short metallic conductors with a tunnel barrier. We demonstrate t…
Weak localization in arrays of metallic quantum dots
Dmitri S. Golubev, Andrei D. Zaikin
Combining scattering matrix formalism with non-linear -model technique we analyze weak localization effects in arrays of chaotic quantum dots connected via barriers with arbitra…
Full Counting Statistics of Interacting Electrons
D. A. Bagrets, Y. Utsumi, D. S. Golubev +1
In order to fully characterize the noise associated with electron transport, with its severe consequences for solid-state quantum information systems, the theory of full counting s…
Comment on ``Influence Functional for Decoherence of Interacting Electrons in Disordered Conductors'' (cond-mat/0510563v1) and on related papers (cond-mat/0510556v1 and cond-mat/0510557v1)
Dmitri S. Golubev, Andrei D. Zaikin
Recently von Delft (cond-mat/0510563v1)(JvD) has successfully re-derived our influence functional for interacting electrons and claimed that within our approach he was able to obta…
Full Counting Statistics for a Single-Electron Transistor, Non-equilibrium Effects at Intermediate Conductance
Yasuhiro Utsumi, Dmitri S. Golubev, Gerd Schön
We evaluate the current distribution for a single-electron transistor with intermediate strength tunnel conductance. Using the Schwinger-Keldysh approach and the drone (Majorana) f…
Electron transport and current fluctuations in short coherent conductors
Dmitri S. Golubev, Artem V. Galaktionov, Andrei D. Zaikin
Employing a real time effective action formalism we analyze electron transport and current fluctuations in comparatively short coherent conductors in the presence of electron-elect…
Transport of Interacting Electrons through a Pair of Coupled Metallic Quantum Dots
A. Zaikin, D. Golubev
We derive a complete expression for the interaction correction to the curve of two connected in series metallic quantum dots. For strongly asymmetric dots in a wide range of…
Statistics of Current Fluctuations and Electron-Electron Interactions in Mesoscopic Coherent Conductors
D. S. Golubev, A. V. Galaktionov, A. D. Zaikin
We formulate a general path integral approach which describes statistics of current fluctuations in mesoscopic coherent conductors at arbitrary frequencies and in the presence of i…
Transport of interacting electrons in arrays of quantum dots and diffusive wires
D. S. Golubev, A. D. Zaikin
We develop a detailed theoretical investigation of the effect of Coulomb interaction on electron transport in arrays of chaotic quantum dots and diffusive metallic wires. Employing…
Statistics of current fluctuations at non-zero frequencies
A. V. Galaktionov, D. S. Golubev, A. D. Zaikin
We formulate a general approach which describes statistics of current fluctuations in mesoscopic coherent conductors at arbitrary frequencies and in the presence of interactions. A…
Electron transport through interacting quantum dots
Dmitri S. Golubev, Andrei D. Zaikin
We present a detailed theoretical investigation of the effect of Coulomb interactions on electron transport through quantum dots and double barrier structures connected to a voltag…
Current Fluctuations and Electron-Electron Interactions in Coherent Conductors
A. V. Galaktionov, D. S. Golubev, A. D. Zaikin
We analyze current fluctuations in mesoscopic coherent conductors in the presence of electron-electron interactions. In a wide range of parameters we obtain explicit universal depe…