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quant-ph2025
A robust phase of continuous transversal gates in quantum stabilizer codes
Eric Huang, Pierre-Gabriel Rozon, Arpit Dua +2
A quantum error correcting code protects encoded logical information against errors. Transversal gates are a naturally fault-tolerant way to manipulate logical qubits but cannot be…
quant-ph2025
Learning shadows to predict quantum ground state correlations
Pierre-Gabriel Rozon, Kartiek Agarwal
We introduce a variational scheme inspired by classical shadow tomography to compute ground state correlations of quantum spin Hamiltonians. Shadow tomography allows for efficient…
quant-ph2023
Optimal twirling depths for shadow tomography in the presence of noise
Pierre-Gabriel Rozon, Ning Bao, Kartiek Agarwal
The classical shadows protocol is an efficient strategy for estimating properties of an unknown state using a small number of state copies and measurements. In its original for…