Topologically Enforced Bifurcations in Superconducting Circuits
G. Engelhardt, M. Benito, G. Platero, T. Brandes
DOI 10.1103/PhysRevLett.118.197702 · Physical Review Letters
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Abstract
The relationship of topological insulators and superconductors and the field of nonlinear dynamics is widely unexplored. To address this subject, we adopt the linear coupling geometry of the Su-Schrieffer-Heeger model, a paradigmatic example for a topological insulator, and render it nonlinearly in the context of superconducting circuits. As a consequence, the system exhibits topologically enforced bifurcations as a function of the topological control parameter, which finally gives rise to chaotic dynamics, separating phases that exhibit clear topological features.
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