Regensburg 2025 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 37: Correlated Electrons: Poster

TT 37.60: Poster

Wednesday, March 19, 2025, 15:00–18:00, P4

Application of the TraSPI Method to Aharonov-Bohm Interferometry with Interacting Quantum Dots — •Alexander Hahn, Jürgen König, and Alfred Hucht — Theoretische Physik, Universität Duisburg-Essen and CENIDE, 47048 Duisburg, Germany

Utilizing the *Transfer-matrix Summation of Path Integrals* (TraSPI) approach, we extend the method's application to the study of quantum transport in an Aharonov-Bohm interferometer housing two parallel quantum dots. Here the usage of TraSPI allows the calculation of the current influenced by the enclosed magnetic flux, in presence of Coulomb interaction. The numerical accuracy and efficiency of the TraSPI method allow for a detailed exploration of the interplay between quantum coherence and dot interactions.

Keywords: quantum trasport; non-equilibrium