SKM 2023 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 21: Quantum Chaos and Coherent Dynamics

DY 21.1: Vortrag

Dienstag, 28. März 2023, 14:00–14:15, MOL 213

Bit-Flipping based on Stability Transition of Coupled Spins — •Maximilian F. I. Kieler and Arnd Bäcker — TU Dresden, Institut für Theoretische Physik, Dresden, Germany

A bipartite spin system is proposed for which a bit-flipping mechanism between two states is possible when the coupling is varied. The states correspond in the semiclassical limit to equilibrium points showing a stability transition from elliptic-elliptic stability to complex instability. Based on the classical system we find a universal scaling for the transfer time, which even applies in the deep quantum regime.

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