Abstract
We review two algorithmic advances that bring us closer to reliable quantum simulations of model systems in high-energy physics and beyond on noisy intermediate-scale quantum (NISQ) devices. The first method is the dimensional expressivity analysis of quantum circuits, which allows for constructing minimal but maximally expressive quantum circuits. The second method is an efficient mitigation of readout errors on quantum devices. Both methods can lead to significant improvements in quantum simulations, e.g. when variational quantum eigensolvers are used. This article is part of the theme issue 'Quantum technologies in particle physics'.
Original language | English |
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Article number | 20210062 |
Number of pages | 1 |
Journal | Philosophical transactions. Series A, Mathematical, physical, and engineering sciences |
Volume | 380 |
Issue number | 2216 |
Early online date | 20 Dec 2021 |
DOIs | |
Publication status | Published - 7 Feb 2022 |
Keywords
- parametric quantum circuits
- quantum simulation
- readout error
- variational quantum simulation
ASJC Scopus subject areas
- General Mathematics
- General Engineering
- General Physics and Astronomy