Group-theoretic error mitigation enabled by classical shadows and symmetries

A Zhao, A Miyake - npj Quantum Information, 2024 - nature.com
Estimating expectation values is a key subroutine in quantum algorithms. Near-term
implementations face two major challenges: a limited number of samples required to learn a …

Predicting arbitrary state properties from single hamiltonian quench dynamics

Z Liu, Z Hao, HY Hu - Physical Review Research, 2024 - APS
Analog quantum simulation is an essential routine for quantum computing and plays a
crucial role in studying quantum many-body physics. Typically, the quantum evolution of an …

Real classical shadows

M West, AA Mele, M Larocca, M Cerezo - arXiv preprint arXiv:2410.23481, 2024 - arxiv.org
Efficiently learning expectation values of a quantum state using classical shadow
tomography has become a fundamental task in quantum information theory. In a classical …

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 …

Entanglement Structure of Non-Gaussian States and How to Measure It

H Froland, TV Zache, R Ott, N Mueller - arXiv preprint arXiv:2407.12083, 2024 - arxiv.org
Rapidly growing capabilities of quantum simulators to probe quantum many-body
phenomena require new methods to characterize increasingly complex states. We present a …

Exploring Topological Phases in Quantum Many-Body Physics

Y Teng - 2024 - search.proquest.com
Interactions among atoms can lead to emergent phenomena, one of the most fascinating
being topological order. Topological phases are important in understanding high …

[HTML][HTML] Visualizing Atom Currents in Optical Lattices

A Bohrdt - Physics, 2024 - APS
The Born rule, formulated almost a century ago, says that measuring a system yields an
outcome whose probability is determined by the wave-function amplitude. As if by magic …