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Efficient quantum transport in disordered Floquet networks
Hlér Kristjánsson, Jonathan Brugger, Gabriel Dufour, Christian Scheppach, Andreas Buchleitner·July 21, 2026
Quantum Physicscond-mat.dis-nnphysics.bio-ph
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Abstract
We propose a mechanism for fast and efficient quantum transport through disordered networks with variable on-site energies, inspired by photosynthetic complexes. The mechanism relies on an interplay between inter-site couplings of the network and driving by external vibrations. Two design principles are shown to ensure close-to-perfect transport despite the disorder, namely a reflection symmetry in Floquet-Hilbert space and the existence of a dominant doublet or triplet of Floquet states.