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Quantum Simulation

Efficient simulation of noisy IQP circuits with amplitude-damping noise

arXiv
Authors: Shravan Shravan, Mohsin Raza, Ariel Shlosberg

Year

2026

Paper ID

45578

Status

Preprint

Abstract Read

~2 min

Abstract Words

100

Citations

0

Abstract

Efficient classical simulation of noisy intermediate-scale quantum (NISQ) circuits has been a topic of intense study over the past few years. The majority of results on efficient simulation assume that the circuits undergo some variant of unital noise or involve sufficient randomness. However, there are limited results for circuits undergoing non-unital noise in the absence of randomness. In this work, we present a polynomial-time classical algorithm to sample from the output distributions of amplitude-damped instantaneous quantum polynomial (IQP) circuits. Our algorithm works for circuits generated by arbitrary l-local diagonal gates with depth d = Ω\(log(n\)), undergoing constant amplitude-damping noise.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • Efficient classical simulation of noisy intermediate-scale quantum (NISQ) circuits has been a topic of intense study over the past few years.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2604.05036 [2] arXiv https://arxiv.org/abs/2604.05036 [3] Publisher https://arxiv.org/abs/2604.05036

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-14 08:21:29

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