Dresden 2026 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 50: German-French Focus Session: Superconducting Junctions and Quantum Circuits

Wednesday, March 11, 2026, 15:00–18:30, HSZ/0003

Superconducting junctions are important building blocks for various applications including qubits. The importance of superconductivity to probe macroscopic quantum physics has been underlined by the Nobel prize in physics 2025. Current research activities in the field of superconducting quantum circuits bridge from fundamental symmetry aspects of superconductivity to material science for improved performance of superconducting electronics. Beyond these activities, superconductivity has developed as a tool to probe also unconventional normal conducting properties. The scope of this focus session is to showcase recent activities in this field in France and Germany and to tighten the interaction between the very active research communities in both countries.

Coordinators: Clemens Winkelmann (CEA/UGA Grenoble), Guillaume Weick (University of Strasbourg), Elke Scheer (University of Konstanz).

	15:00	TT 50.1	Topical Talk: Josephson Quantum Tunneling at Odd Parity — Manuel Houzet, •Julia S. Meyer, and Yuli V. Nazarov
	15:30	TT 50.2	Topical Talk: Superconducting qubits and amplifiers resilient to Tesla-scale magnetic fields — •Ioan Pop
	16:00	TT 50.3	Topical Talk: Josephson metamaterials as near-quantum-limited microwave amplifiers — •Nicolas Roch
	16:30		15 min. break
	16:45	TT 50.4	Topical Talk: Second Order Topological Insulators probed with mesoscopic physics — •Sophie Gueron
	17:15	TT 50.5	Topical Talk: Proximity superconductivity in chiral Kagome antiferromagnets — •Piet Brouwer, Adam Chaou, Gal Lemut, and Felix von Oppen
	17:45	TT 50.6	Spectroscopy of a nanowire fluxonium — •Hugues Pothier, Joan Caceres, Diego Sanz, Jon Ortuzar, Emmanuel Flurin, Jesper Nygard, Cristian Urbina, and Marcelo Goffman
	18:00	TT 50.7	Multiterminal Josephson Junctions: non-hermiticity, topology and reflectionless modes — •David Christian Ohnmacht, Wilhelm Valentin, Weisbrich Hannes, and Belzig Wolfgang
	18:15	TT 50.8	From Shapiro steps to photon-assisted tunneling in microwave-driven atomic-scale Josephson junctions with a single (magnetic) adatom — •Martina Trahms, Bharti Mahendru, Clemens B. Winkelmann, and Katharina J. Franke