Topological phase transition measured in a dissipative metamaterial
Mesoscale and Nanoscale Physics
2018-06-20 v2 Classical Physics
Quantum Physics
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 dissipation can lead to topological transport in a much wider class of physical systems than considered before.
Keywords
Cite
@article{arxiv.1802.02243,
title = {Topological phase transition measured in a dissipative metamaterial},
author = {Eric I. Rosenthal and Nicole K. Ehrlich and Mark S. Rudner and Andrew P. Higginbotham and K. W. Lehnert},
journal= {arXiv preprint arXiv:1802.02243},
year = {2018}
}
Comments
Main text: 5 pages, 3 figures. Supplement: 6 pages, 4 figures