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Berlin 2018 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 99: Poster Session: Transport

TT 99.30: Poster

Donnerstag, 15. März 2018, 15:00–19:00, Poster B

Non-spin-conserving effects in electronic transport through quantum dots — •Lucia Gonzalez1,2, Jordi Pico1, and Gloria Platero11Instituto de Ciencia de Materiales, CSIC, Cantoblanco, E-2 8049 Madrid, Spain — 2Current affiliation: JARA Institute for Quantum Information (PGI-11), Forschungszentrum Jülich, 52425 Jülich, Germany

Pauli exclusion principle can lead to a spin dependant current blockade in a system of several quantum dots. This blockade is of great use for quantum manipulation and computation as it allows for spin-charge conversion, but non-spin-conserving processes can lift it by allowing the electrons to change its quantum numbers. Following previous research [1,2] on the effect in double quantum dots (DQD) of two of these processes, the hyperfine interaction and spin orbit coupling, we study theoretically their impact in transport in larger quantum dot systems.
J. Danon, Yu. V. Nazarov. Phys. Rev. Lett. B 80 (2009) 041301R.
N. Jouravlev, Yu. V. Nazarov, Phys. Rev. Lett. 96 (2006) 176804.

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