Dissipative dynamics of magnetic solitons in metals (2009)
Wong, Clement H., Tserkovnyak, Yaroslav
Soliton dynamics in spin-textured metals generate electrical currents, which produce backaction through spin torques. We modify the Landau-Lifshitz-Gilbert equation and the corresponding solitonic...
Magnetocaloritronic nanomachines (2009)
Kovalev, Alexey A., Tserkovnyak, Yaroslav
We introduce and study a magnetocaloritronic circuit element based on a domain wall that can move under applied voltage, magnetic field and temperature gradient. We draw analogies between the Carnot...
Nanoscale Magnetic Heat Pumps and Engines (2009)
Bauer, Gerrit E. W., Bretzel, Stefan, Brataas, Arne, Tserkovnyak, Yaroslav
We present the linear response matrix for a sliding domain wall in a rotatable magnetic nanowire, which is driven out of equilibrium by temperature and voltage bias, mechanical torque, and magnetic...
Barnett Effect in Thin Magnetic Films and Nanostructures (2009)
Bretzel, Stefan, Bauer, Gerrit E. W., Tserkovnyak, Yaroslav, Brataas, Arne
The Barnett effect refers to the magnetization induced by rotation of a demagnetized ferromagnet. We describe the location and stability of stationary states in rotating nanostructures using the...
Tuning odd triplet superconductivity by spin pumping (2009)
Yokoyama, Takehito, Tserkovnyak, Yaroslav
We study proximity effect in diffusive ferromagnet/normal-metal/superconductor junction with precessing magnetization of the ferromagnet. We find that the odd-frequency pairing induced in the normal...
Thermoelectric spin transfer in textured magnets (2009)
Kovalev, Alexey A., Tserkovnyak, Yaroslav
We study charge and energy transport in a quasi-1D magnetic wire in the presence of magnetic textures. The energy flows can be expressed in a fashion similar to charge currents, leading to new...
Wong, Clement H., Tserkovnyak, Yaroslav
We develop the hydrodynamical theory of collinear spin currents coupled to magnetization dynamics in metallic ferromagnets. The collective spin density couples to the spin current through a U(1)...
Scattering Theory of Charge-Current Induced Magnetization Dynamics (2009)
Hals, Kjetil M. D., Brataas, Arne, Tserkovnyak, Yaroslav
In ferromagnets, charge currents can excite magnons via the spin-orbit coupling. We develop a novel and general scattering theory of charge current induced macrospin magnetization torques in normal...
Noise and dissipation in magnetoelectronic nanostructures (2009)
Foros, Jorn, Brataas, Arne, Bauer, Gerrit E. W., Tserkovnyak, Yaroslav
We study the coupled current and magnetization noise in magnetic nanostructures by magnetoelectronic circuit theory. Spin current fluctuations, which depend on the magnetic configuration, are found...
Kovalev, Alexey A., Tserkovnyak, Yaroslav, Vyborny, Karel, Sinova, Jairo
We present a study of transport in multiple-band non-interacting Fermi metallic systems based on the Keldysh formalism, taking into account the effects of Berry curvature due to spin-orbit coupling....
Transverse spin diffusion in ferromagnets (2008)
Tserkovnyak, Yaroslav, Hankiewicz, E. M., Vignale, Giovanni
We discuss the dissipative diffusion-type term of the form $\mathbf{m}\times\nabla^2\partial_t\mathbf{m}$ in the phenomenological Landau-Lifshitz equation of ferromagnetic precession, which describes...
Aharonov-Casher Effect in Wigner Crystal Exchange Interactions (2008)
Tserkovnyak, Yaroslav, Kindermann, Markus
We theoretically study the effects of spin-orbit coupling on spin exchange in a low-density Wigner crystal. In addition to the familiar antiferromagnetic Heisenberg exchange, we find general...
Scattering Theory of Gilbert Damping (2008)
Brataas, Arne, Tserkovnyak, Yaroslav, Bauer, Gerrit E. W.
The magnetization dynamics of a single domain ferromagnet in contact with a thermal bath is studied by scattering theory. We recover the Landau-Liftshitz-Gilbert equation and express the effective...
Theory of spin magnetohydrodynamics (2008)
Tserkovnyak, Yaroslav, Wong, Clement H.
We develop a phenomenological hydrodynamic theory of coherent magnetic precession coupled to electric currents. Exchange interaction between electron spin and collective magnetic texture produces two...
Spin-selective localization due to intrinsic spin-orbit coupling (2008)
Tserkovnyak, Yaroslav, Akhanjee, Shimul
We study spin-dependent diffusive transport in the presence of a tunable spin-orbit (SO) interaction in a two-dimensional electron system. The spin precession of an electron in the SO coupling field...
Tserkovnyak, Yaroslav, Moriyama, T., Xiao, John Q.
We theoretically study the recently observed tunnel-barrier-enhanced dc voltage signals generated by magnetization precession in magnetic tunnel junctions. While the spin pumping is suppressed by the...
Current-induced noise and damping in non-uniform ferromagnets (2008)
Foros, Jorn, Brataas, Arne, Tserkovnyak, Yaroslav, Bauer, Gerrit E. W.
In the presence of spatial variation of the magnetization direction, electric current noise causes a fluctuating spin-transfer torque that increases the fluctuations of the ferromagnetic order...
Proximity effect-assisted absorption of spin currents in superconductors (2007)
Morten, Jan Petter, Brataas, Arne, Bauer, Gerrit E. W., Belzig, Wolfgang, Tserkovnyak, Yaroslav
The injection of pure spin current into superconductors by the dynamics of a ferromagnetic contact is studied theoretically. Taking into account suppression of the order parameter at the interfaces...
Electron Transport Driven by Nonequilibrium Magnetic Textures (2007)
Tserkovnyak, Yaroslav, Mecklenburg, Matthew
Spin-polarized electron transport driven by inhomogeneous magnetic dynamics is discussed in the limit of a large exchange coupling. Electron spins rigidly following the time-dependent magnetic...
Theory of current-driven magnetization dynamics in inhomogeneous ferromagnets (2007)
Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.
We give a brief account of recent developments in the theoretical understanding of the interaction between electric currents and inhomogeneous ferromagnetic order parameters. We start by discussing...
Spin-charge separation in a strongly correlated spin-polarized chain (2007)
Akhanjee, Shimul, Tserkovnyak, Yaroslav
We combine the first-quantized path-integral formalism and bosonization to develop a phenomenological theory for spin-charge coupled dynamics in one-dimensional (1D) ferromagnetic systems with strong...
Spin Injection in Quantum Wells with Spatially Dependent Rashba Interaction (2007)
Brataas, Arne, Mal'shukov, A. G., Tserkovnyak, Yaroslav
We consider Rashba spin-orbit effects on spin transport driven by an electric field in semiconductor quantum wells. We derive spin diffusion equations that are valid when the mean free path and the...
Magnetization damping in a local-density approximation (2006)
Skadsem, Hans Joakim, Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.
The linear response of itinerant transition metal ferromagnets to transverse magnetic fields is studied in a self-consistent adiabatic local-density approximation. The susceptibility is calculated...
Spin transport in mesoscopic rings with inhomogeneous spin-orbit coupling (2006)
Tserkovnyak, Yaroslav, Brataas, Arne
We revisit the problem of electron transport through mesoscopic rings with spin-orbit (SO) interaction. In the well-known path-integral approach, the scattering states for a quasi-1D ring with...
Tserkovnyak, Yaroslav, Halperin, Bertrand I., Kovalev, Alexey A., Brataas, Arne
We derive boundary conditions for the coupled spin-charge diffusion equations at a transmitting interface between two-dimensional electron systems with different strengths of the Rashba spin-orbit...
Magnetoconductance oscillations in quasiballistic multimode nanowires (2006)
Tserkovnyak, Yaroslav, Halperin, Bertrand I.
We calculate the conductance of quasi-one-dimensional nanowires with electronic states confined to a surface charge layer, in the presence of a uniform magnetic field. Two-terminal magnetoconductance...
Voltage generation by ferromagnetic resonance (2006)
Wang, Xuhui, Bauer, Gerrit E. W., Van Wees, Bart J., Brataas, Arne, Tserkovnyak, Yaroslav
A ferromagnet can resonantly absorbs rf radiation to sustain a steady precession of the magnetization around an internal or applied magnetic field. We show that under these ferromagnetic resonance...
Resistance noise in spin valves (2006)
Foros, Jorn, Brataas, Arne, Bauer, Gerrit E. W., Tserkovnyak, Yaroslav
Fluctuations of the magnetization in spin valves are shown to cause resistance noise that strongly depends on the magnetic configuration. Due to the applied external field and the dynamic exchange...
Current-induced magnetization dynamics in disordered itinerant ferromagnets (2005)
Tserkovnyak, Yaroslav, Skadsem, Hans Joakim, Brataas, Arne, Bauer, Gerrit E. W.
Current-driven magnetization dynamics in ferromagnetic metals are studied in a self-consistent adiabatic local-density approximation in the presence of spin-conserving and spin-dephasing impurity...
Spin accumulation and decay in magnetic Schottky barriers (2005)
Bauer, Gerrit E. W., Tserkovnyak, Yaroslav, Brataas, Arne, Ren, Jun, Xia, Ke, Zwierzycki, Maciej, ...
The theory of charge and spin transport in forward-biased Schottky barriers reveals characteristic and experimentally relevant features. The conductance mismatch is found to enhance the current...
Current-induced macrospin vs spin-wave excitations in spin valves (2005)
Brataas, Arne, Tserkovnyak, Yaroslav, Bauer, Gerrit E. W.
The mode dependence of current-induced magnetic excitations in spin valves is studied theoretically. The torque exerted on the magnetization by transverse spin currents as well as the Gilbert damping...
Theory of momentum resolved tunneling into a short quantum wire (2005)
Fiete, Gregory A., Qian, Jiang, Tserkovnyak, Yaroslav, Halperin, Bertrand I.
Motivated by recent tunneling experiments in the parallel wire geometry, we calculate results for momentum resolved tunneling into a short one-dimensional wire, containing a small number of...
Magnetization noise in magnetoelectronic nanostructures (2005)
Foros, Jorn, Brataas, Arne, Tserkovnyak, Yaroslav, Bauer, Gerrit E. W.
By scattering theory we show that spin current noise in normal electric conductors in contact with nanoscale ferromagnets increases the magnetization noise by means of a fluctuating spin-transfer...
Nonlocal magnetization dynamics in ferromagnetic heterostructures (2004)
Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W., Halperin, Bertrand I.
Two complementary effects modify the GHz magnetization dynamics of nanoscale heterostructures of ferromagnetic and normal materials relative to those of the isolated magnetic constituents: On the one...
Spontaneous-Symmetry-Breaking Mechanism of Adiabatic Pumping (2004)
Tserkovnyak, Yaroslav, Brataas, Arne
We consider heterostructures consisting of regions with a continuous symmetry in contact with regions wherein the symmetry is spontaneously broken. The low-frequency dynamics of the corresponding...
Many-body dispersions in interacting ballistic quantum wires (2004)
Auslaender, Ophir M., Steinberg, Hadar, Yacoby, Amir, Tserkovnyak, Yaroslav, Halperin, Bertrand I., De Picciotto, Rafael, ...
We have measured the collective excitation spectrum of interacting electrons in one-dimension. The experiment consists of controlling the energy and momentum of electrons tunneling between two clean...
Spin and Charge Pumping by Ferromagnetic-Superconductor Order Parameters (2004)
Brataas, Arne, Tserkovnyak, Yaroslav
We study transport in ferromagnetic-superconductor/normal-metal systems. It is shown that charge and spin currents are pumped from ferromagnetic superconductors into adjacent normal metals by...
Mean-field magnetization relaxation in conducting ferromagnets (2004)
Tserkovnyak, Yaroslav, Fiete, Gregory A., Halperin, Bertrand I.
Collective ferromagnetic motion in a conducting medium is damped by the transfer of the magnetic moment and energy to the itinerant carriers. We present a calculation of the corresponding...
Signatures of spin-charge separation in double--quantum-wire tunneling (2003)
Tserkovnyak, Yaroslav, Halperin, Bertrand I., Auslaender, Ophir M., Yacoby, Amir
We present evidence for spin-charge separation in the tunneling spectrum of a system consisting of two quantum wires connected by a long narrow tunnel junction at the edge of a GaAs/AlGaAs bilayer...
Dynamic ferromagnetic proximity effect in photoexcited semiconductors (2003)
Bauer, Gerrit E. W., Brataas, Arne, Tserkovnyak, Yaroslav, Halperin, Bertrand I., Zwierzycki, Maciej, Kelly, Paul J.
The spin dynamics of photoexcited carriers in semiconductors in contact with a ferromagnet is treated theoretically and compared with time-dependent Faraday rotation experiments. The long time...
Spin detection in quantum dots by electric currents (2003)
Mishchenko, Eugene G., Brataas, Arne, Tserkovnyak, Yaroslav
We develop a theoretical description of transport through quantum dots connected to reservoirs via spin-polarized ballistic contacts. Rate equations account for spin accumulation inside the dot,...
Magnetoelectronic Spin Echo (2003)
Brataas, Arne, Zarand, Gergely, Tserkovnyak, Yaroslav, Bauer, Gerrit E. W.
We predict a spin echo in electron transport through layered ferromagnetic-normal-ferromagnetic metal structures: whereas a spin current polarized perpendicular to the magnetization direction decays...
The spin-torque transistor (2003)
Bauer, Gerrit E. W., Brataas, Arne, Tserkovnyak, Yaroslav, Van Wees, Bart J.
A magnetoelectronic thin-film transistor is proposed that can display negative differential resistance and gain. The working principle is the modulation of the soure-drain current in a spin valve by...
Bauer, Gerrit E. W., Tserkovnyak, Yaroslav, Huertas-Hernando, Daniel, Brataas, Arne
Magnetoelectronics is mainly digital, i.e. governed by up and down magnetizations. In contrast, analogue magnetoelectronics makes use of phenomena occuring for non-collinear magnetization...
Dynamic exchange coupling and Gilbert damping in magnetic multilayers (2003)
Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.
We theoretically study dynamic properties of thin ferromagnetic films in contact with normal metals. Moving magnetizations cause a flow of spins into adjacent conductors, which relax by spin flip,...
Interference and zero-bias anomaly in tunneling between Luttinger-liquid wires (2003)
Tserkovnyak, Yaroslav, Halperin, Bertrand I., Auslaender, Ophir M., Yacoby, Amir
We present theoretical calculations and experimental measurements which reveal the Luttinger-liquid (LL) nature of elementary excitations in a system consisting of two quantum wires connected by a...
Dynamic stiffness of spin valves (2002)
Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.
The dynamics of the magnetic order parameters of ferromagnet/normal-metal/ferromagnet spin valves and isolated ferromagnets may be very different. We investigate the role of the nonequilibrium...
Dynamic exchange coupling in magnetic bilayers (2002)
Heinrich, Bret, Tserkovnyak, Yaroslav, Woltersdorf, Georg, Brataas, Arne, Urban, Radovan, Bauer, Gerrit E. W.
A long-ranged dynamic interaction between ferromagnetic films separated by normal-metal spacers is reported, which is communicated by nonequilibrium spin currents. It is measured by ferromagnetic...
Monte Carlo Evaluation of Non-Abelian Statistics (2002)
Tserkovnyak, Yaroslav, Simon, Steven H.
We develop a general framework to (numerically) study adiabatic braiding of quasiholes in fractional quantum Hall systems. Specifically, we investigate the Moore-Read (MR) state at $\nu=1/2$ filling...
Spin pumping and magnetization dynamics in metallic multilayers (2002)
Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.
We study the magnetization dynamics in thin ferromagnetic films and small ferromagnetic particles in contact with paramagnetic conductors. A moving magnetization vector causes \textquotedblleft...
Universal angular magnetoresistance and spin torque in ferromagnetic/normal metal hybrids (2002)
Bauer, Gerrit E. W., Tserkovnyak, Yaroslav, Huertas-Hernando, Daniel, Brataas, Arne
The electrical resistance of ferromagnetic/normal-metal (F/N) heterostructures depends on the nature of the junctions which may be tunnel barriers, point contacts, or intermetallic interfaces. For...
Spin battery operated by ferromagnetic resonance (2002)
Brataas, Arne, Tserkovnyak, Yaroslav, Bauer, Gerrit E. W., Halperin, Bertrand I.
Precessing ferromagnets are predicted to inject a spin current into adjacent conductors via Ohmic contacts, irrespective of a conductance mismatch with, for example, doped semiconductors. This opens...
Finite-size effects in tunneling between parallel quantum wires (2002)
Tserkovnyak, Yaroslav, Halperin, Bertrand I., Auslaender, Ophir M., Yacoby, Amir
We present theoretical calculations and experimental measurements which reveal finite-size effects in the tunneling between two parallel quantum wires, fabricated at the cleaved edge of a GaAs/AlGaAs...
Enhanced Gilbert Damping in Thin Ferromagnetic Films (2001)
Tserkovnyak, Yaroslav, Brataas, Arne, Bauer, Gerrit E. W.
Using a scattering matrix approach, the precession of the magnetization of a ferromagnet is shown to transfer spins into adjacent normal metal layers. This ``pumping'' of spins slows down the...
Tserkovnyak, Yaroslav, Brataas, Arne
We calculate the current and the spin-torque in small symmetric double tunnel barrier ferromagnet - superconductor - ferromagnet (F-S-F) systems. Spin-accumulation on the superconductor governs the...
Shot noise in ferromagnet--normal metal systems (2001)
Tserkovnyak, Yaroslav, Brataas, Arne
A semiclassical theory of the low frequency shot noise in ferromagnet - normal metal systems is formulated. Non-collinear magnetization directions of the ferromagnetic leads, arbitrary junctions and...