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Simulating quantum circuits with ZX-calculus reduced stabiliser decompositions

Abstract:

We introduce an enhanced technique for strong classical simulation of quantum circuits which combines the 'sum-of-stabilisers' method with an automated simplification strategy based on the ZX-calculus. Recently it was shown that quantum circuits can be classically simulated by expressing the non-stabiliser gates in a circuit as magic state injections and decomposing them in chunks of 2–6 states at a time, obtaining sums of (efficiently-simulable) stabiliser states with many fewer terms tha...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Computer Science
Role:
Author
ORCID:
0000-0002-6090-9684
Publisher:
IOP Publishing
Journal:
Quantum Science and Technology More from this journal
Volume:
7
Issue:
4
Article number:
044001
Publication date:
2022-07-21
Acceptance date:
2022-03-11
DOI:
EISSN:
2058-9565
Language:
English
Keywords:
Pubs id:
1272817
Local pid:
pubs:1272817
Deposit date:
2022-12-06

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