Stabilizer entropies are monotones for magic-state resource theory

L Leone, L Bittel - Physical Review A, 2024 - APS
Magic-state resource theory is a powerful tool with applications in quantum error correction,
many-body physics, and classical simulation of quantum dynamics. Despite its broad scope …

Learning t-doped stabilizer states

L Leone, SFE Oliviero, A Hamma - Quantum, 2024 - quantum-journal.org
In this paper, we present a learning algorithm aimed at learning states obtained from
computational basis states by Clifford circuits doped with a finite number $ t $ of $ T $-gates …

Multimodal deep representation learning for quantum cross-platform verification

Y Qian, Y Du, Z He, MH Hsieh, D Tao - Physical Review Letters, 2024 - APS
Cross-platform verification, a critical undertaking in the realm of early-stage quantum
computing, endeavors to characterize the similarity of two imperfect quantum devices …

On the sample complexity of purity and inner product estimation

W Gong, J Haferkamp, Q Ye, Z Zhang - arxiv preprint arxiv:2410.12712, 2024 - arxiv.org
We study the sample complexity of the prototypical tasks quantum purity estimation and
quantum inner product estimation. In purity estimation, we are to estimate $ tr (\rho^ 2) $ of …

An access model for quantum encoded data

M Murça, PK Faehrmann, Y Omar - arxiv preprint arxiv:2412.01889, 2024 - arxiv.org
We introduce and investigate a data access model (approximate sample and query) that is
satisfiable by the preparation and measurement of block encoded states, as well as in …

Probing quantum complexity via universal saturation of stabilizer entropies

T Haug, L Aolita, MS Kim - arxiv preprint arxiv:2406.04190, 2024 - arxiv.org
Nonstabilizerness ormagic'is a key resource for quantum computing and a necessary
condition for quantum advantage. Non-Clifford operations turn stabilizer states into …