Reseach Themes

I. Electronic transport in the mesoscopic Kondo regime

Main results:

1. Coulomb oscillations in the Fano-Kondo effect and zero-bias anomalies in a double-dot mesotransistor, A. Aldea, M. Tolea, and I. V. Dinu, Phys. Rev. B 83, 245317 (2011).

2. Kondo peaks and dips in the differential conductance of a multi-lead quantum dot: Dependence on bias conditions, M. Tolea, I. V. Dinu, and A. Aldea, Phys. Rev. B 79, 033306 (2009).

3. Transport through a multiply connected interacting mesoscopic system using the Keldysh formalism, I. V. Dinu, M. Tolea, and A. Aldea, Phys. Rev. B 76, 113302 (2007).

4. Theoretical study of electronic transport through a small quantum dot with a magnetic impurity, M. Tolea and B. R. Bulka, Phys. Rev. B 75, 125301 (2007).

II. Mesoscopic interferometry: dephasing, interaction and spin-orbit effects

Main results:

1. Nonadiabatic generation of a pure spin current in a one-dimensional quantum ring with spin-orbit interaction, M. Nita, D. C. Marinescu, A. Manolescu, and V. Gudmundsson, Phys. Rev. B 83, 155427 (2011).

2. Tunable spin currents in a biased Rashba ring, V. Moldoveanu and B. Tanatar, Phys. Rev. B 81, 035326 (2010).

3. Coulomb effects in open quantum dots within the random-phase approximation, V. Moldoveanu and B. Tanatar, Phys. Rev. B 77, 195302 (2008).

4. Controlled dephasing in single-dot Aharonov-Bohm interferometers, V. Moldoveanu, M. Tolea, and B. Tanatar, Phys. Rev. B 75, 045309 (2007)

III. Coulomb drag and ratchet effects in parallel quantum dots.

Main results:

1. Inelastic transitions and counterflow tunneling in double-dot quantum ratchets, V. Moldoveanu and B. Tanatar, Phys. Rev. B 82, 205312 (2010).

2. Coulomb drag in parallel quantum dots, V. Moldoveanu and B. Tanatar, Europhysics Letters (EPL) 86, 67004 (2009).

IV. Transient regime and non-equilibrium steady-states in interacting open systems

Main results:

1. Nonequilibrium steady states for interacting open systems: Exact results, V. Moldoveanu, H. D. Cornean, and C-A Pillet, Phys. Rev. B 84, 075464 (2011).

2. On the cotunneling regime of interacting quantum dots, H. D. Cornean, V. Moldoveanu, Journal of Physics A Mathematical and Theoretical 44, 305002 (2011).

3. Dynamic correlations induced by Coulomb interactions in coupled quantum dots, V. Moldoveanu, A. Manolescu, and V. Gudmundsson, Phys. Rev. B 82, 085311 (2010).

4. Transient regime in nonlinear transport through many-level quantum dots, V. Moldoveanu, V. Gudmundsson, and A. Manolescu, Phys. Rev. B 76, 085330 (2007).

Updated: 31 ian 2012 - Ionel Stavarache: stavarache@infim.ro