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quant-ph2026
Random-State Generation and Preparation Complexity in Rydberg Atom Arrays
Edison S. Carrera, Grégoire Misguich
Rydberg atom arrays are powerful platforms for studying quantum many-body systems. We consider the Rydberg-Ising Hamiltonian on periodic chains and numerically study ensembles of s…
quant-ph2025
Preparing spin-squeezed states in Rydberg atom arrays via quantum optimal control
Edison S. Carrera, Harold Erbin, Grégoire Misguich
We present a quantum optimal control protocol to generate highly spin-squeezed states in Rydberg atom arrays coupled via Ising-type van der Waals interactions. Using gradient-based…
quant-ph2025
Testing the Wineland Criterion with Finite Statistics
E. S. Carrera, Y. Zhang, J-D. Bancal +1
The Wineland parameter aims at detecting metrologically useful entangled states, called spin-squeezed states, from expectations and variances of total angular momenta. {However, ef…