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quant-ph2025
Beyond Ground States: Physics-Inspired Optimization of Excited States of Classical Hamiltonians
Erik Altelarrea-Ferré, Júlia Barberà-Rodríguez, David Jansen +1
We introduce excited local quantum annealing (ExcLQA), a classical, physics-inspired algorithm that extends local quantum annealing (LQA) to identify excited states of classical Is…
quant-ph2025★ 3 cited
Sampling Groups of Pauli Operators to Enhance Direct Fidelity Estimation
Júlia Barberà-Rodríguez, Mariana Navarro, Leonardo Zambrano
Direct fidelity estimation is a protocol that estimates the fidelity between an experimental quantum state and a target pure state. By measuring the expectation values of Pauli ope…