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Synthetic dimensions and topological chiral currents in mesoscopic rings

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Synthetic dimensions and topological chiral currents in mesoscopic rings. / Price, Hannah M.; Ozawa, Tomoki; Schomerus, Henning.
In: Physical Review Research, Vol. 2, No. 3, 032017, 16.07.2020.

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Price HM, Ozawa T, Schomerus H. Synthetic dimensions and topological chiral currents in mesoscopic rings. Physical Review Research. 2020 Jul 16;2(3):032017. doi: 10.1103/PhysRevResearch.2.032017

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Price, Hannah M. ; Ozawa, Tomoki ; Schomerus, Henning. / Synthetic dimensions and topological chiral currents in mesoscopic rings. In: Physical Review Research. 2020 ; Vol. 2, No. 3.

Bibtex

@article{f5d86aebfda9482e8e5e8a51fc9d77cd,
title = "Synthetic dimensions and topological chiral currents in mesoscopic rings",
abstract = "The recently introduced concept of synthetic dimensions allows for the realization of higher-dimensional topological phenomena in lower-dimensional systems. In this paper, we propose a setup where synthetic dimensions arise in mesoscopic hybrid devices and discuss how they provide a natural route to topological states. We demonstrate this for the current induced into a closed one-dimensional Aharonov-Bohm ring by the interaction with a dynamic mesoscopic magnet. The quantization of the magnetic moment provides a synthetic dimension that complements the charge motion around the ring. We present a direct mapping that places the combined ring-magnet system into the class of quantum Hall models and demonstrate that topological features, combined with the magnet's anisotropy, can lead to clear signatures in the persistent current of the single-particle ground state. Our synthetic-dimension model also extends to the many-electron case, where the collective electronic motion couples with the magnet.",
author = "Price, {Hannah M.} and Tomoki Ozawa and Henning Schomerus",
year = "2020",
month = jul,
day = "16",
doi = "10.1103/PhysRevResearch.2.032017",
language = "English",
volume = "2",
journal = "Physical Review Research",
issn = "2643-1564",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Synthetic dimensions and topological chiral currents in mesoscopic rings

AU - Price, Hannah M.

AU - Ozawa, Tomoki

AU - Schomerus, Henning

PY - 2020/7/16

Y1 - 2020/7/16

N2 - The recently introduced concept of synthetic dimensions allows for the realization of higher-dimensional topological phenomena in lower-dimensional systems. In this paper, we propose a setup where synthetic dimensions arise in mesoscopic hybrid devices and discuss how they provide a natural route to topological states. We demonstrate this for the current induced into a closed one-dimensional Aharonov-Bohm ring by the interaction with a dynamic mesoscopic magnet. The quantization of the magnetic moment provides a synthetic dimension that complements the charge motion around the ring. We present a direct mapping that places the combined ring-magnet system into the class of quantum Hall models and demonstrate that topological features, combined with the magnet's anisotropy, can lead to clear signatures in the persistent current of the single-particle ground state. Our synthetic-dimension model also extends to the many-electron case, where the collective electronic motion couples with the magnet.

AB - The recently introduced concept of synthetic dimensions allows for the realization of higher-dimensional topological phenomena in lower-dimensional systems. In this paper, we propose a setup where synthetic dimensions arise in mesoscopic hybrid devices and discuss how they provide a natural route to topological states. We demonstrate this for the current induced into a closed one-dimensional Aharonov-Bohm ring by the interaction with a dynamic mesoscopic magnet. The quantization of the magnetic moment provides a synthetic dimension that complements the charge motion around the ring. We present a direct mapping that places the combined ring-magnet system into the class of quantum Hall models and demonstrate that topological features, combined with the magnet's anisotropy, can lead to clear signatures in the persistent current of the single-particle ground state. Our synthetic-dimension model also extends to the many-electron case, where the collective electronic motion couples with the magnet.

U2 - 10.1103/PhysRevResearch.2.032017

DO - 10.1103/PhysRevResearch.2.032017

M3 - Journal article

VL - 2

JO - Physical Review Research

JF - Physical Review Research

SN - 2643-1564

IS - 3

M1 - 032017

ER -