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Quantum Physics

arXiv:2204.07792 (quant-ph)
[Submitted on 16 Apr 2022]

Title:Boson sampling cannot be faithfully simulated by only the lower-order multi-boson interferences

Authors:Valery Shchesnovich
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Abstract:To simulate noisy boson sampling approximating it by only the lower-order multi-boson interferences (e.g., by a smaller number of interfering bosons and classical particles) is very popular idea. I show that the output data from any such classical simulations can be efficiently distinguished from that of the quantum device they try to simulate, even with finite noise in the latter. The distinguishing datasets can be the experimental estimates of some large probabilities, a wide class of such is presented. This is a sequel of \textit{Quantum} \textbf{5}, 423 (2021), where I present more accessible account of the main result enhanced by additional insight on the contribution from the higher-order multi-boson interferences in presence of noise.
Comments: 9 pages
Subjects: Quantum Physics (quant-ph); Computational Complexity (cs.CC); Mathematical Physics (math-ph)
Cite as: arXiv:2204.07792 [quant-ph]
  (or arXiv:2204.07792v1 [quant-ph] for this version)
  https://doi.org/10.48550/arXiv.2204.07792

Submission history

From: Valery Shchesnovich [view email]
[v1] Sat, 16 Apr 2022 12:53:10 UTC (13 KB)
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