21 citations · 104 across the 13 of their papers we have counts for
13 papers
Eigenvector statistics of the product of Ginibre matrices
Zdzisław Burda, Bartłomiej J. Spisak, Pierpaolo Vivo
We develop a method to calculate left-right eigenvector correlations of the product of independent complex Ginibre matrices. For illustration, we present explicit a…
Transition from positive to negative magnetoresistance induced by a constriction in semiconductor nanowire
Maciej Wołoszyn, Bartłomiej J. Spisak, Paweł Wójcik +1
We have studied the magnetotransport through an indium antimonide (InSb) nanowire grown in [111] direction, with a geometric constriction and in an external magnetic field applied…
Resonant Landau-Zener transitions in helical magnetic fields
P. Wojcik, J. Adamowski, M. Woloszyn +1
The spin-dependent electron transport has been studied in magnetic semiconductor waveguides (nanowires) in the helical magnetic field. We have shown that -- apart from the known co…
Non-ballistic spin separator based on Y-shaped nanostructure with a quantum point contact
P. Wojcik, M. Woloszyn, B. J. Spisak +1
A proposal of a spin separator based on the spin Zeeman effect in Y-shaped nanostructure with a quantum point contact is presented. Our calculations show that the appropriate tunin…
Spin transistor operation driven by the Rashba spin-orbit coupling in the gated nanowire
P. Wójcik, J. Adamowski, B. J. Spisak +1
The theoretical description has been proposed for the operation of the spin transistor in the gate-controlled InAs nanowire. The calculated current-voltage characteristics show tha…
Periodicity of resonant tunneling current induced by the Stark resonances in semiconductor nanowire
Maciej Woloszyn, Janusz Adamowski, Pawel Wojcik +1
The modification of the electronic current resulting from Stark resonances has been studied for the semiconductor nanowire with the double-barrier structure. Based on the calculate…
All-electrical manipulation of electron spin by the spin-orbit interaction in a semiconductor nanotube: analytical results
P. Wójcik, J. Adamowski, M. Wołoszyn +1
A possibility of controlled manipulation of electron spin states has been investigated for a cylindrical two-dimensional electron gas confined in a semiconductor nanotube/cylindric…
Spin filter effect at room temperature in GaN/GaMnN ferromagnetic resonant tunneling diode
P. Wójcik, J. Adamowski, M. Wołoszyn +1
We have investigated the spin current polarization without the external magnetic field in the resonant tunneling diode with the emitter and quantum well layers made from the ferrom…
Nonclassical properties of electronic states of aperiodic chains in a homogeneous electric field
Bartlomiej J. Spisak, Maciej Woloszyn
The electronic energy levels of one-dimensional aperiodic systems driven by a homogeneous electric field are studied by means of a phase space description based on the Wigner distr…
Intrinsic oscillations of spin current polarization in a paramagnetic resonant tunneling diode
Pawel Wojcik, Janusz Adamowski, Maciej Woloszyn +1
A spin- and time-dependent electron transport has been studied in a paramagnetic resonant tunneling diode using the self-consistent Wigner-Poisson method. Based on the calculated c…
Multifractal analysis of the electronic states in the Fibonacci superlattice under weak electric fields
Maciej Woloszyn, Bartlomiej J. Spisak
Influence of the weak electric field on the electronic structure of the Fibonacci superlattice is considered. The electric field produces a nonlinear dynamics of the energy spectru…
Effect of current hysteresis on the spin polarization of current in a paramagnetic resonant tunneling diode
P. Wojcik, B. J. Spisak, M. Woloszyn +1
A spin-dependent quantum transport is investigated in a paramagnetic resonant tunneling diode (RTD) based on a ZnMnSe/ZnBeSe heterostructure. Using the Wigner-Poisson m…
Self-consistent Wigner distribution function study of gate-voltage controlled triple-barrier resonant tunnelling diode
P. Wojcik, B. J. Spisak, M. Woloszyn +1
The electron transport through the triple-barrier resonant tunnelling diode (TBRTD) have been studied by the self-consistent numerical method for the Wigner-Poisson problem. The el…