43 citations · 113 across the 8 of their papers we have counts for
6 papers · 1 filter
Thermoelectric properties of a quantum dot coupled to magnetic leads by Rashba spin-orbit interaction
Łukasz Karwacki, Józef Barnaś
We consider a single-level quantum dot coupled to two leads which are ferromagnetic in general. Apart from tunneling processes conserving electron spin, we also include processes a…
Current-induced spin polarization in isotropic k-cubed Rashba model: Theoretical study for p-doped semiconductor heterostructures and perovskite oxides interfaces
L. Karwacki, A. Dyrdal, J. Berakdar +1
Using the Matsubara Green's function formalism we calculate the temperature dependence of the nonequilibrium spin polarization induced by an external electric field in the presence…
Magnon cotunneling through a quantum dot
Łukasz Karwacki
I consider a single-level quantum dot coupled to two reservoirs of spin waves (magnons). Such systems have been studied recently from the point of view of possible coupling between…
Magnon transport through a quantum dot: Conversion to electronic spin and charge currents
Łukasz Karwacki, Piotr Trocha, Józef Barnaś
We consider a single-level quantum dot coupled to magnetic insulators (magnonic reservoirs) and magnetic metals (electronic reservoirs). The whole system is in an external magnetic…
Spin-dependent thermoelectric effects in a strongly correlated double quantum dot
Łukasz Karwacki, Piotr Trocha
We investigate spin-dependent thermoelectric transport through a system of two coupled quantum dots attached to reservoirs of spin-polarized electrons. Generally, we focus on the s…
Influence of intermixing at the Ta/CoFeB interface on spin Hall angle in Ta/CoFeB/MgO heterostructures
Monika Cecot, Lukasz Karwacki, Witold Skowronski +7
We investigate the spin Hall effect in perpendicularly magnetized Ta/Co40Fe40B20/MgO trilayers with Ta underlayers thicker than the spin diffusion length. The crystallographic stru…