Interacting electrons in the Aharonov-Bohm interferometer (2008)
Ihnatsenka, S., Zozoulenko, I. V.
We present a microscopic picture of quantum transport in the Aharonov-Bohm (AB) interferometer taking into account electron interaction within the Hartree and the spin density functional theory...
Spin polarization in modulation-doped GaAs quantum wires (2008)
Evaldsson, M., Ihnatsenka, S., Zozoulenko, I. V.
We study spin polarization in a split-gate quantum wire focusing on the effect of a realistic smooth potential due to remote donors. Electron interaction and spin effects are included within the...
Spin polarization in modulation-doped GaAs quantum wires (2007)
Evaldsson, M., Ihnatsenka, S., Zozoulenko, I. V.
We study spin polarization in a split-gate quantum wire focussing on the effect of a realistic smooth potential due to remote donors. Electron interaction and spin effects are included within the...
Ihnatsenka, S., Zozoulenko, I. V.
We present a detailed comparison of the self-consistent calculations based on the Hartree-Fock and the spin density functional theory for a spit-gate quantum wire in the IQH regime. We demonstrate...
Ihnatsenka, S., Zozoulenko, I. V.
We perform self-consistent quantum transport calculations in open quantum dots taking into account the effect of electron interaction. We demonstrative that in the regime of the ultralow temperatures...
Conductance of a quantum point contact based on spin-density-functional theory (2007)
Ihnatsenka, S., Zozoulenko, I. V.
We present full quantum mechanical conductance calculations of a quantum point contact (QPC) performed in the framework of the density functional theory (DFT) in the local spin-density approximation...
"0.7 anomaly" and magnetic impurity formation in quantum point contacts (2007)
Ihnatsenka, S., Zozoulenko, I. V.
The origin of the 0.7-conductance anomaly in quantum point contacts (QPCs) has been a subject of lively discussions since its discovery more than 10 years ago. In a recent letter, based on spin...
Resonant reflection at magnetic barriers in quantum wires (2007)
Xu, Hengyi, Heinzel, T., Evaldsson, M., Ihnatsenka, S., Zozoulenko, I. V.
The conductance of a quantum wire containing a single magnetic barrier is studied numerically by means of the recursive Greens function technique. For sufficiently strong and localized barriers, Fano...
Many-body effects in transport through open systems: pinning of resonant levels (2007)
Ihnatsenka, S., Zozoulenko, I. V., Willander, M.
The role of electron-electron interaction in transport properties of open quantum dots is studied. The self-consistent full quantum mechanical magnetotransport calculations within the Hartree,...
Hysteresis and spin phase transitions in quantum wires in the integer quantum Hall regime (2006)
Ihnatsenka, S., Zozoulenko, I. V.
We demonstrate that a split-gate quantum wire in the integer quantum Hall regime can exhibit electronic transport hysteresis for up- and down-sweeps of a magnetic field. This behavior is shown to be...
The quenching of compressible edge states around antidots (2006)
Ihnatsenka, S., Zozoulenko, I. V.
We provide a systematic quantitative description of the edge state structure around a quantum antidot in the integer quantum Hall regime. The calculations for spinless electrons within the Hartree...
Magnetosubband and edge state structure in cleaved-edge overgrown quantum wires (2006)
Ihnatsenka, S., Zozoulenko, I. V.
We provide a systematic quantitative description of the structure of edge states and magnetosubband evolution in hard wall quantum wires in the integer quantum Hall regime. Our calculations are based...
Ihnatsenka, S., Zozoulenko, I. V.
We perform systematic numerical studies of the structure of spin-resolved compressible strips in split-gate quantum wires taking into account the exchange and correlation interactions within the...
Spin polarization of edge states and magnetosubband structure in quantum wires (2005)
Ihnatsenka, S., Zozoulenko, I. V.
We provide a quantitative description of the structure of edge states in split-gate quantum wires in the integer quantum Hall regime. We develop an effective numerical approach based on the Green's...