- Tytuł:
- Do Van Hove Singularities in Leads Influence Tunneling Current through Quantum Dot?
- Autorzy:
-
Krawiec, M.
Domański, T.
Wysokiński, K. I. - Powiązania:
- https://bibliotekanauki.pl/articles/1991636.pdf
- Data publikacji:
- 1998-09
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
73.40.Gk
72.15.Qm
71.27.+a - Opis:
- Using the Landauer type formula for the current through quantum dot we have studied the influence of the singularities in the density of states in leads on the differential conductance of the system and answered affirmatively the above question. The presence of Van Hove singularities in the leads may induce an additional structure on the conductance vs. voltage curve. The dot itself has been described by the single impurity Anderson model with a very strong "on-dot" Coulomb repulsion. We also simulate the effect of electron-phonon interaction in the dot by allowing for the fluctuations of the "impurity" energy level.
- Źródło:
-
Acta Physica Polonica A; 1998, 94, 3; 411-414
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki