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Optimal quantum control with digitized Quantum Annealing
Glen Bigan Mbeng, Rosario Fazio, Giuseppe E. Santoro
We show how a digitized version of Quantum Annealing can be made optimal, realizing the best possible solution allowed by quantum mechanics in the shortest time, without any prior…
Superfluid to Mott transition in a Bose-Hubbard ring: Persistent currents and defect formation
Lucas Kohn, Pietro Silvi, Matthias Gerster +4
We revisit here the Kibble-Zurek mechanism for superfluid bosons slowly driven across the transition towards the Mott-insulating phase. By means of a combination of the Time-Depend…
Quantum Annealing: a journey through Digitalization, Control, and hybrid Quantum Variational schemes
Glen Bigan Mbeng, Rosario Fazio, Giuseppe Santoro
We establish and discuss a number of connections between a digitized version of Quantum Annealing (QA) with the Quantum Approximate Optimization Algorithm (QAOA) introduced by Farh…