Wszystkie pola: orbit - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Transmission Through Graphene Junctions with Rashba Spin-Orbit Coupling
Autorzy:: Rataj, M.
Barnaś, J.
Powiązania:: https://bibliotekanauki.pl/articles/1386718.pdf
Data publikacji:: 2015-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 72.20.Fr
72.80.Vp
73.23.Ad
73.40.Lq
75.70.Tj
Opis:: Electronic transport in a graphene junction is considered theoretically. Graphene is assumed to be deposited on a substrate which generates Rashba spin-orbit coupling. However, the Rashba parameters in the two parts of the junction are assumed to be generally different. Additionally, different gate voltages are applied to the two parts, which allow tuning the Fermi level and potential step. We analyze the probabilities of electron transmission through the junction and electrical conductance in the linear response regime.
Źródło:: Acta Physica Polonica A; 2015, 127, 2; 481-483
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Spin Hall Effect in a Two-Dimensional Electron Gas with Constant Dresselhaus and Random Rashba Spin-Orbit Interactions
Autorzy:: Dyrdał, A.
Barnaś, J.
Powiązania:: https://bibliotekanauki.pl/articles/1403633.pdf
Data publikacji:: 2012-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 73.63.-b
72.25.Dc
73.50.Bk
Opis:: Spin Hall effect in a two-dimensional electron gas with uniform Dresselhaus and random Rashba spin-orbit interactions is considered theoretically. Using Kubo formalism we derive some analytical formula for the spin Hall conductivity. It is shown that the contribution due to randomly fluctuating Rashba field disappears in the limit of strong Dresselhaus coupling.
Źródło:: Acta Physica Polonica A; 2012, 122, 6; 1016-1018
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Thermoelectric and Interference Effects in a Kondo-Correlated Quantum Dot with Rashba Spin-Orbit Coupling
Autorzy:: Karwacki, Ł.
Trocha, P.
Barnaś, J.
Powiązania:: https://bibliotekanauki.pl/articles/1399158.pdf
Data publikacji:: 2013-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 73.23.-b
73.63.Kv
72.15.Qm
85.35.Ds
Opis:: Thermoelectric effects in spin-polarized transport through a strongly correlated quantum dot coupled to two ferromagnetic leads is investigated theoretically by means of the finite-U slave boson technique. The dot is coupled to the leads both symmetrically via the spin-conserving tunneling processes and asymmetrically via spin-nonconserving Rashba-induced tunneling terms. The asymmetric coupling leads to various interference effects which modify transport properties. We have analyzed such thermoelectric coefficients like the electronic contribution to heat conductance κ, thermopower S, and thermoelectric efficiency ZT.
Źródło:: Acta Physica Polonica A; 2013, 124, 5; 901-904
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 4.

Tytuł:: Spin Hall Effect in a Two-Dimensional Electron Gas with Strong Rashba Spin-Orbit Interaction: Semiclassical Keldysh Approach
Autorzy:: Dyrdał, A.
Barnaś, J.
Ivanov, V.
Dugaev, V.
Powiązania:: https://bibliotekanauki.pl/articles/1403654.pdf
Data publikacji:: 2012-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 73.63.-b
72.25.Dc
75.70.Tj
Opis:: Spin Hall effect in a two-dimensional electron gas with the Rashba spin-orbit interaction is analyzed theoretically. We use the Keldysh technique for nonequilibrium processes, modified in order to take into account well-defined splitting of the Fermi surface due to strong spin-orbit coupling. Using such an approach, we reconsider the two-dimensional electron gas with the Rashba spin-orbit interaction and show that impurity scattering processes suppress the spin Hall effect.
Źródło:: Acta Physica Polonica A; 2012, 122, 6; 1059-1061
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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