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5 October 2023 Theory of complex topological states in multi-terminal superconducting structures
Wolfgang Belzig
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Proceedings Volume PC12656, Spintronics XVI; PC126560J (2023) https://doi.org/10.1117/12.2678620
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Superconductivity is the foundation for modern quantum coherent phenomena in solid-state systems, enabling topological quantum bits, Weyl physics, and macroscopic quantized phenomena. The activation of quantum mechanical phases as degrees of freedom in superconducting multi-terminal structures allows for the realization of complex, topological non-trivial states of matter. This includes Berry spectroscopy of Weyl-Andreev nodes in synthetic dimensions, fractional states of matter of Cooper pair networks, and high-dimensional topology like the Second Chern number with a non-Abelian Berry phase. The talk will discuss theoretical and experimental advancements in realizing effects in spectroscopy, critical currents and quantized transconductance.
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Wolfgang Belzig "Theory of complex topological states in multi-terminal superconducting structures", Proc. SPIE PC12656, Spintronics XVI, PC126560J (5 October 2023); https://doi.org/10.1117/12.2678620
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KEYWORDS
Superconductors
Quantum physics
Spectroscopy
Quantum effects
Quantum experiments
Quantum numbers
Quantum phenomena
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