Evidence map›Paper›PMID 33637523›Full record

ArticleScience advances2021

Exploring complex graphs using three-dimensional quantum walks of correlated photons.

Max Ehrhardt, Robert Keil, Lukas J Maczewsky, Christoph Dittel, Matthias Heinrich, Alexander Szameit

Abstract read
In one paragraph

Article in Science advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Max EhrhardtInstitut für Physik, Universität Rostock, Albert-Einstein-Straße 23 18059 Rostock, Germany.ORCID http://orcid.org/0000-0001-8653-1168
Robert KeilInstitut für Experimentalphysik, Universität Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria.ORCID http://orcid.org/0000-0003-1198-9961
Lukas J MaczewskyInstitut für Physik, Universität Rostock, Albert-Einstein-Straße 23 18059 Rostock, Germany.ORCID http://orcid.org/0000-0002-1296-3707
Christoph DittelPhysikalisches Institut, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg, Germany.ORCID http://orcid.org/0000-0002-5373-5196
Matthias HeinrichInstitut für Physik, Universität Rostock, Albert-Einstein-Straße 23 18059 Rostock, Germany.ORCID http://orcid.org/0000-0003-3552-0789
Alexander SzameitInstitut für Physik, Universität Rostock, Albert-Einstein-Straße 23 18059 Rostock, Germany. alexander.szameit@uni-rostock.de.ORCID http://orcid.org/0000-0003-0071-6941

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Graph representations are a powerful concept for solving complex problems across natural science, as patterns of connectivity can give rise to a multitude of emergent phenomena. Graph-based approaches have proven particularly fruitful in quantum communication and quantum search algorithms in highly branched quantum networks. Here, we introduce a previously unidentified paradigm for the direct experimental realization of excitation dynamics associated with three-dimensional networks by exploiting the hybrid action of spatial and polarization degrees of freedom of photon pairs in complex waveguide circuits with tailored birefringence. This testbed for the experimental exploration of multiparticle quantum walks on complex, highly connected graphs paves the way toward exploiting the applicative potential of fermionic dynamics in integrated quantum photonics.

Identifiers

PMID33637523
PMCPMC7909875

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.