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Efficient computation of quantum time-optimal control
Andrei A. Stepanenko, Kseniia S. Chernova, Maxim A. Gorlach·November 14, 2025
Quantum PhysicsMesoscale Physicsphysics.optics
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Abstract
We present an approach to compute time-optimal control of a quantum system which combines quantum brachistochrone and Lax pair techniques and enables efficient investigation of large-scale quantum systems. We illustrate our method by finding the fastest way to transfer a single-particle excitation in a nearest-neighbor-coupled infinitely large qubit lattice with the fixed sum of squares of the couplings.