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DY: Fachverband Dynamik und Statistische Physik

DY 3: Poster Sesssion I: Quantum Chaos and Many-Body Quantum Dynamics

DY 3.8: Poster

Dienstag, 28. September 2021, 17:30–19:30, P

Transmission through three-terminal microwave graphs with orthogonal, unitary and symplectic symmetryFelipe de Jesús Castañeda-Ramírez1, Angel M. Martínez-Argüello2, •Tobias Hofmann3, Aimaiti Rehemanjiang3, Moisés Martínez-Mares1, José A. Méndez-Bermúdez4, Ulrich Kuhl5, and Hans-Jürgen Stöckmann31Departamento de Física, Universidad Autónoma Metropolitana-Iztapalapa, Apartado Postal 55-534, 09340 Ciudad de México, Mexico — 2Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Apartado Postal 48-3, 62210 Cuernavaca, Mor., Mexico — 3Fachbereich Physik der Philipps-Universität Marburg, D-35032 Marburg, Germany — 4Instituto de Física, Benemérita Universidad Autónoma de Puebla, Apartado Postal J-48, 72570 Puebla, Pue., Mexico — 5Université Côte d’Azur, CNRS, Institut de Physique de Nice (INPHYNI), 06108 Nice, France

Transmission measurements through three-port microwave graphs are performed, in analogy to three-terminal voltage drop devices, with orthogonal, unitary, and symplectic symmetry. The terminal used as a probe is symmetrically located between two different chaotic subgraphs of the same mean density of states. Each subgraph is connected to one port, the input and the output, respectively. We find a good agreement with theoretical predictions, provided the effects of dissipation and imperfect coupling to the ports is considered. This extends previous studies using an asymmetric probe position [1].
[1] A. M. Martínez-Argüello et.al, Phys. Rev. B 98 (7) (2018) 075311.

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