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Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials

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Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials. / Abbaszadeh, Hamed; Souslov, Anton; Paulose, Jayson et al.
In: Physical review letters, Vol. 119, 195502, 10.11.2017.

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

Harvard

Abbaszadeh, H, Souslov, A, Paulose, J, Schomerus, H & Vitelli, V 2017, 'Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials', Physical review letters, vol. 119, 195502. https://doi.org/10.1103/PhysRevLett.119.195502

APA

Abbaszadeh, H., Souslov, A., Paulose, J., Schomerus, H., & Vitelli, V. (2017). Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials. Physical review letters, 119, Article 195502. https://doi.org/10.1103/PhysRevLett.119.195502

Vancouver

Abbaszadeh H, Souslov A, Paulose J, Schomerus H, Vitelli V. Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials. Physical review letters. 2017 Nov 10;119:195502. doi: 10.1103/PhysRevLett.119.195502

Author

Abbaszadeh, Hamed ; Souslov, Anton ; Paulose, Jayson et al. / Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials. In: Physical review letters. 2017 ; Vol. 119.

Bibtex

@article{40c51bd575d64c0ca8a531534645b9a5,
title = "Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials",
abstract = "Mechanical strain can lead to a synthetic gauge field that controls the dynamics of electrons in graphene sheets as well as light in photonic crystals. Here, we show how to engineer an analogous synthetic gauge field for lattice vibrations. Our approach relies on one of two strategies: shearing a honeycomb lattice ofmasses and springs or patterning its local material stiffness. As a result, vibrational spectra with discrete Landau levels are generated. Upon tuning the strength of the gauge field, we can control the density of states and transverse spatial confinement of sound in the metamaterial. We also show how this gauge field can be used to design waveguides in which sound propagates with robustness against disorder as a consequence of the change in topological polarization that occurs along a domain wall. By introducing dissipation, we can selectively enhance the domain-wall-bound topological sound mode, a feature that may potentially be exploited for the design of sound amplification by stimulated emission of radiation (SASER, the mechanical analogs of lasers).",
author = "Hamed Abbaszadeh and Anton Souslov and Jayson Paulose and Henning Schomerus and Vincenzo Vitelli",
note = "{\textcopyright} 2017 American Physical Society",
year = "2017",
month = nov,
day = "10",
doi = "10.1103/PhysRevLett.119.195502",
language = "English",
volume = "119",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",

}

RIS

TY - JOUR

T1 - Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials

AU - Abbaszadeh, Hamed

AU - Souslov, Anton

AU - Paulose, Jayson

AU - Schomerus, Henning

AU - Vitelli, Vincenzo

N1 - © 2017 American Physical Society

PY - 2017/11/10

Y1 - 2017/11/10

N2 - Mechanical strain can lead to a synthetic gauge field that controls the dynamics of electrons in graphene sheets as well as light in photonic crystals. Here, we show how to engineer an analogous synthetic gauge field for lattice vibrations. Our approach relies on one of two strategies: shearing a honeycomb lattice ofmasses and springs or patterning its local material stiffness. As a result, vibrational spectra with discrete Landau levels are generated. Upon tuning the strength of the gauge field, we can control the density of states and transverse spatial confinement of sound in the metamaterial. We also show how this gauge field can be used to design waveguides in which sound propagates with robustness against disorder as a consequence of the change in topological polarization that occurs along a domain wall. By introducing dissipation, we can selectively enhance the domain-wall-bound topological sound mode, a feature that may potentially be exploited for the design of sound amplification by stimulated emission of radiation (SASER, the mechanical analogs of lasers).

AB - Mechanical strain can lead to a synthetic gauge field that controls the dynamics of electrons in graphene sheets as well as light in photonic crystals. Here, we show how to engineer an analogous synthetic gauge field for lattice vibrations. Our approach relies on one of two strategies: shearing a honeycomb lattice ofmasses and springs or patterning its local material stiffness. As a result, vibrational spectra with discrete Landau levels are generated. Upon tuning the strength of the gauge field, we can control the density of states and transverse spatial confinement of sound in the metamaterial. We also show how this gauge field can be used to design waveguides in which sound propagates with robustness against disorder as a consequence of the change in topological polarization that occurs along a domain wall. By introducing dissipation, we can selectively enhance the domain-wall-bound topological sound mode, a feature that may potentially be exploited for the design of sound amplification by stimulated emission of radiation (SASER, the mechanical analogs of lasers).

U2 - 10.1103/PhysRevLett.119.195502

DO - 10.1103/PhysRevLett.119.195502

M3 - Journal article

VL - 119

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

M1 - 195502

ER -