Signature of quantum interference effect in inter-layer Coulomb drag in graphene-based electronic double-layer systems.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
16 Mar 2023
16 Mar 2023
Historique:
received:
06
04
2022
accepted:
03
03
2023
entrez:
17
3
2023
pubmed:
18
3
2023
medline:
18
3
2023
Statut:
epublish
Résumé
The distinguishing feature of a quantum system is interference arising from the wave mechanical nature of particles which is clearly central to macroscopic electronic properties. Here, we report the signature of quantum interference effect in inter-layer transport process. Via systematic magneto-drag experiments on graphene-based electronic double-layer systems, we observe low-field correction to the Coulomb-scattering-dominated inter-layer drag resistance in a wide range of temperature and carrier density, with its characteristics sensitive to the band topology of graphene layers. These observations can be attributed to a new type of quantum interference between drag processes, with the interference pathway comprising different carrier diffusion paths in the two constituent conductors. The emergence of such effect relies on the formation of superimposing planar diffusion paths, among which the impurity potentials from intermediate insulating spacer play an essential role. Our findings establish an ideal platform where the interplay between quantum interference and many-body interaction is essential.
Identifiants
pubmed: 36927844
doi: 10.1038/s41467-023-37197-2
pii: 10.1038/s41467-023-37197-2
pmc: PMC10020572
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1465Subventions
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 92165201
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 11974324
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 12274003
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 11725415
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 11934001
Informations de copyright
© 2023. The Author(s).
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