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Two-particle time-d...
Two-particle time-domain interferometry in the fractional quantum Hall effect regime
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- Taktak, Imen (author)
- Université Paris-Saclay,University Paris-Saclay
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- Kapfer, M. (author)
- Université Paris-Saclay,University Paris-Saclay
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- Nath, J. (author)
- Université Paris-Saclay,University Paris-Saclay
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- Roulleau, Preden (author)
- Université Paris-Saclay,University Paris-Saclay
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- Acciai, Matteo, 1992 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Splettstoesser, Janine, 1977 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Farrer, I. (author)
- University of Sheffield
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- Ritchie, D. A. (author)
- University Of Cambridge
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- Glattli, D. Christian (author)
- Université Paris-Saclay,University Paris-Saclay
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(creator_code:org_t)
- 2022-10-04
- 2022
- English.
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In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723 .- 2041-1723. ; 13:1, s. 5863-
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Abstract
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- Quasi-particles are elementary excitations of condensed matter quantum phases. Demonstrating that they keep quantum coherence while propagating is a fundamental issue for their manipulation for quantum information tasks. Here, we consider anyons, the fractionally charged quasi-particles of the Fractional Quantum Hall Effect occurring in two-dimensional electronic conductors in high magnetic fields. They obey anyonic statistics, intermediate between fermionic and bosonic. Surprisingly, anyons show large quantum coherence when transmitted through the localized states of electronic Fabry-Pérot interferometers, but almost no quantum interference when transmitted via the propagating states of Mach-Zehnder interferometers. Here, using a novel interferometric approach, we demonstrate that anyons do keep quantum coherence while propagating. Performing two-particle time-domain interference measurements sensitive to the two-particle Hanbury Brown Twiss phase, we find 53 and 60% visibilities for anyons with charges e/5 and e/3. Our results give a positive message for the challenge of performing controlled quantum coherent braiding of anyons.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Taktak, Imen
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Kapfer, M.
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Nath, J.
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Roulleau, Preden
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Acciai, Matteo, ...
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Splettstoesser, ...
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show more...
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Farrer, I.
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Ritchie, D. A.
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Glattli, D. Chri ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Nature Communica ...
- By the university
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Chalmers University of Technology