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quant-ph2026
CSS codes for Quantum Metrology with Discrete-time Error Correction
Ugnė Liaubaitė, Debora Ramacciotti, Robert Raußendorf
The goal of quantum metrology is to estimate an unknown parameter with better-than-classical precision and, ideally, to attain Heisenberg scaling. In realistic settings, however, n…
quant-ph2026
Approximate Sparse State Preparation with the Grover-Rudolph Algorithm
Debora Ramacciotti, Martin Steinbach, Bence Temesi +2
Sparse quantum state preparation is a common subroutine in quantum algorithms, where classical data with few nonzero entries must be loaded into a quantum state. In this work, we c…