Training variational quantum algorithms with random gate activation

S Liu, SX Zhang, SK Jian, H Yao - Physical Review Research, 2023 - APS
Variational quantum algorithms (VQAs) hold great potential for near-term applications and
are promising to achieve quantum advantage in practical tasks. However, VQAs suffer from …

Quantum Algorithmic Approach to Multiconfigurational Valence Bond Theory: Insights from Interpretable Circuit Design

JS Kottmann, F Scala - Journal of Chemical Theory and …, 2024 - ACS Publications
Efficient ways to prepare Fermionic ground states on quantum computers are in high
demand, and different techniques have been developed over the past few years. Despite …

Emulating multiparticle emitters with pair-sources: digital discovery of a quantum optics building block

S Arlt, C Ruiz-Gonzalez, M Krenn - Quantum Science and …, 2024 - iopscience.iop.org
Linear quantum optics is advancing quickly, driven by sources of correlated photon pairs.
Multi-photon sources beyond pairs would be a powerful resource, but are a difficult …

The unitary dependence theory for characterizing quantum circuits and states

Z Hu, S Kais - Communications Physics, 2023 - nature.com
Most existing quantum algorithms are discovered accidentally or adapted from classical
algorithms, and there is the need for a systematic theory to understand and design quantum …

Equivalence Checking of Quantum Circuits via Intermediary Matrix Product Operator

A Sander, L Burgholzer, R Wille - arxiv preprint arxiv:2410.10946, 2024 - arxiv.org
As quantum computing advances, the complexity of quantum circuits is rapidly increasing,
driving the need for robust methods to aid in their design. Equivalence checking plays a vital …