Optimizing shadow tomography with generalized measurements

HC Nguyen, JL Bönsel, J Steinberg, O Gühne - Physical Review Letters, 2022 - APS
Advances in quantum technology require scalable techniques to efficiently extract
information from a quantum system. Traditional tomography is limited to a handful of qubits …

[HTML][HTML] Classical shadows with noise

DE Koh, S Grewal - Quantum, 2022 - quantum-journal.org
The classical shadows protocol, recently introduced by Huang, Kueng, and Preskill [Nat.
Phys. 16, 1050 (2020)], is a quantum-classical protocol to estimate properties of an unknown …

Guaranteed efficient energy estimation of quantum many-body Hamiltonians using ShadowGrou**

A Gresch, M Kliesch - Nature communications, 2025 - nature.com
Estimation of the energy of quantum many-body systems is a paradigmatic task in various
research fields. In particular, efficient energy estimation may be crucial in achieving a …

Demonstration of robust and efficient quantum property learning with shallow shadows

HY Hu, A Gu, S Majumder, H Ren, Y Zhang… - arxiv preprint arxiv …, 2024 - arxiv.org
Extracting information efficiently from quantum systems is a major component of quantum
information processing tasks. Randomized measurements, or classical shadows, enable …

Witnessing Quantum Incompatibility Structures in High-Dimensional Multimeasurement Systems

X Zhang, R Qu, Z Chang, Y Wang, Z Guo, M An… - Physical Review Letters, 2024 - APS
Quantum incompatibility, referred as the phenomenon that some quantum measurements
cannot be performed simultaneously, is necessary for various quantum information …

Mutually Unbiased Bases in Composite Dimensions--A Review

D McNulty, S Weigert - arxiv preprint arxiv:2410.23997, 2024 - arxiv.org
Maximal sets of mutually unbiased bases are useful throughout quantum physics, both in a
foundational context and for applications. To date, it remains unknown if complete sets of …

Distributed quantum incompatibility

L Tendick, H Kampermann, D Bruß - Physical Review Letters, 2023 - APS
Incompatible, ie, nonjointly measurable quantum measurements are a necessary resource
for many information processing tasks. It is known that increasing the number of distinct …

A Simple and Efficient Joint Measurement Strategy for Estimating Fermionic Observables and Hamiltonians

J Majsak, D McNulty, M Oszmaniec - arxiv preprint arxiv:2402.19230, 2024 - arxiv.org
We propose a simple scheme to estimate fermionic observables and Hamiltonians relevant
in quantum chemistry and correlated fermionic systems. Our approach is based on …

Pretty-good simulation of all quantum measurements by projective measurements

M Kotowski, M Oszmaniec - arxiv preprint arxiv:2501.09339, 2025 - arxiv.org
In quantum theory general measurements are described by so-called Positive Operator-
Valued Measures (POVMs). We show that in $ d $-dimensional quantum systems an …

Holographic Classical Shadow Tomography

S Zhang, X Feng, M Ippoliti, YZ You - arxiv preprint arxiv:2406.11788, 2024 - arxiv.org
We introduce" holographic shadows", a new class of randomized measurement schemes for
classical shadow tomography that achieves the optimal scaling of sample complexity for …