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Observation of supersymmetric pseudo-Landau levels in strained microwave graphene

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Observation of supersymmetric pseudo-Landau levels in strained microwave graphene. / Bellec, Matthieu; Poli, Charles; Kuhl, Ulrich et al.
In: Light: Science and Applications, Vol. 9, No. 1, 146, 19.08.2020.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Bellec, M, Poli, C, Kuhl, U, Mortessagne, F & Schomerus, H 2020, 'Observation of supersymmetric pseudo-Landau levels in strained microwave graphene', Light: Science and Applications, vol. 9, no. 1, 146. https://doi.org/10.1038/s41377-020-00351-2

APA

Bellec, M., Poli, C., Kuhl, U., Mortessagne, F., & Schomerus, H. (2020). Observation of supersymmetric pseudo-Landau levels in strained microwave graphene. Light: Science and Applications, 9(1), Article 146. https://doi.org/10.1038/s41377-020-00351-2

Vancouver

Bellec M, Poli C, Kuhl U, Mortessagne F, Schomerus H. Observation of supersymmetric pseudo-Landau levels in strained microwave graphene. Light: Science and Applications. 2020 Aug 19;9(1):146. doi: 10.1038/s41377-020-00351-2

Author

Bellec, Matthieu ; Poli, Charles ; Kuhl, Ulrich et al. / Observation of supersymmetric pseudo-Landau levels in strained microwave graphene. In: Light: Science and Applications. 2020 ; Vol. 9, No. 1.

Bibtex

@article{c3ffa832fa924c6792bda5f3492cf00c,
title = "Observation of supersymmetric pseudo-Landau levels in strained microwave graphene",
abstract = "Using an array of coupled microwave resonators arranged in a deformed honeycomb lattice, we experimentally observe the formation of pseudo-Landau levels in the whole crossover from vanishing to large pseudomagnetic field strengths. This result is achieved by utilising an adaptable setup in a geometry that is compatible with the pseudo-Landau levels at all field strengths. The adopted approach enables us to observe the fully formed flat-band pseudo-Landau levels spectrally as sharp peaks in the photonic density of states and image the associated wavefunctions spatially, where we provide clear evidence for a characteristic nodal structure reflecting the previously elusive supersymmetry in the underlying low-energy theory. In particular, we resolve the full sublattice polarisation of the anomalous 0th pseudo-Landau level, which reveals a deep connection to zigzag edge states in the unstrained case.",
author = "Matthieu Bellec and Charles Poli and Ulrich Kuhl and Fabrice Mortessagne and Henning Schomerus",
year = "2020",
month = aug,
day = "19",
doi = "10.1038/s41377-020-00351-2",
language = "English",
volume = "9",
journal = "Light: Science and Applications",
issn = "2095-5545",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Observation of supersymmetric pseudo-Landau levels in strained microwave graphene

AU - Bellec, Matthieu

AU - Poli, Charles

AU - Kuhl, Ulrich

AU - Mortessagne, Fabrice

AU - Schomerus, Henning

PY - 2020/8/19

Y1 - 2020/8/19

N2 - Using an array of coupled microwave resonators arranged in a deformed honeycomb lattice, we experimentally observe the formation of pseudo-Landau levels in the whole crossover from vanishing to large pseudomagnetic field strengths. This result is achieved by utilising an adaptable setup in a geometry that is compatible with the pseudo-Landau levels at all field strengths. The adopted approach enables us to observe the fully formed flat-band pseudo-Landau levels spectrally as sharp peaks in the photonic density of states and image the associated wavefunctions spatially, where we provide clear evidence for a characteristic nodal structure reflecting the previously elusive supersymmetry in the underlying low-energy theory. In particular, we resolve the full sublattice polarisation of the anomalous 0th pseudo-Landau level, which reveals a deep connection to zigzag edge states in the unstrained case.

AB - Using an array of coupled microwave resonators arranged in a deformed honeycomb lattice, we experimentally observe the formation of pseudo-Landau levels in the whole crossover from vanishing to large pseudomagnetic field strengths. This result is achieved by utilising an adaptable setup in a geometry that is compatible with the pseudo-Landau levels at all field strengths. The adopted approach enables us to observe the fully formed flat-band pseudo-Landau levels spectrally as sharp peaks in the photonic density of states and image the associated wavefunctions spatially, where we provide clear evidence for a characteristic nodal structure reflecting the previously elusive supersymmetry in the underlying low-energy theory. In particular, we resolve the full sublattice polarisation of the anomalous 0th pseudo-Landau level, which reveals a deep connection to zigzag edge states in the unstrained case.

U2 - 10.1038/s41377-020-00351-2

DO - 10.1038/s41377-020-00351-2

M3 - Journal article

VL - 9

JO - Light: Science and Applications

JF - Light: Science and Applications

SN - 2095-5545

IS - 1

M1 - 146

ER -