Topological phase transition measured in a dissipative metamaterial

Eric I. Rosenthal; Nicole K. Ehrlich; Mark S. Rudner; Andrew P. Higginbotham; K. W. Lehnert

doi:10.1103/physrevb.97.220301

Topological phase transition measured in a dissipative metamaterial

Eric I. Rosenthal, Nicole K. Ehrlich, Mark S. Rudner, Andrew P. Higginbotham, K. W. Lehnert

Faststoffysik

11 Citationer (Scopus)

Abstract

We construct a metamaterial from radio-frequency harmonic oscillators, and find two topologically distinct phases resulting from dissipation engineered into the system. These phases are distinguished by a quantized value of bulk energy transport. The impulse response of our circuit is measured and used to reconstruct the band structure and winding number of circuit eigenfunctions around a dark mode. Our results demonstrate that dissipative topological transport can occur in a wider class of physical systems than considered before.

Originalsprog	Engelsk
Artikelnummer	220301
Tidsskrift	Physical Review B
Vol/bind	97
Udgave nummer	22
Antal sider	5
ISSN	2469-9950
DOI	https://doi.org/10.1103/physrevb.97.220301
Status	Udgivet - 4 jun. 2018

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10.1103/physrevb.97.220301

https://arxiv.org/pdf/1802.02243.pdfLicens: Andet

Citationsformater

Rosenthal, E. I., Ehrlich, N. K., Rudner, M. S., Higginbotham, A. P., & Lehnert, K. W. (2018). Topological phase transition measured in a dissipative metamaterial. Physical Review B, 97(22), Artikel 220301. https://doi.org/10.1103/physrevb.97.220301

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AU - Lehnert, K. W.

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AB - We construct a metamaterial from radio-frequency harmonic oscillators, and find two topologically distinct phases resulting from dissipation engineered into the system. These phases are distinguished by a quantized value of bulk energy transport. The impulse response of our circuit is measured and used to reconstruct the band structure and winding number of circuit eigenfunctions around a dark mode. Our results demonstrate that dissipative topological transport can occur in a wider class of physical systems than considered before.

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Topological phase transition measured in a dissipative metamaterial

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