Topological Floquet-Thouless Energy Pump

Physical Review Letters
Michael H KolodrubetzJoel E Moore

Abstract

We explore adiabatic pumping in the presence of a periodic drive, finding a new phase in which the topologically quantized pumped quantity is energy rather than charge. The topological invariant is given by the winding number of the micromotion with respect to time within each cycle, momentum, and adiabatic tuning parameter. We show numerically that this pump is highly robust against both disorder and interactions, breaking down at large values of either in a manner identical to the Thouless charge pump. Finally, we suggest experimental protocols for measuring this phenomenon.

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Citations

Nov 9, 2019·Physical Review Letters·Aaron J FriedmanRomain Vasseur
Jan 18, 2020·Physical Review Letters·Matteo M WautersLorenzo Privitera
Aug 28, 2020·Physical Review Letters·Koki Chinzei, Tatsuhiko N Ikeda
Feb 23, 2020·Nature Communications·Inbar Hotzen GrinbergGaurav Bahl
Jan 18, 2020·Physical Review Letters·Thomas SchusterNorman Y Yao
Aug 29, 2018·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Lin ShaoNing Xu
Aug 7, 2019·Physical Review Letters·Bruno MeraYasser Omar
Sep 22, 2020·Physical Review Letters·P J D CrowleyA Chandran
Mar 31, 2021·Physical Review Letters·David M LongAnushya Chandran
Mar 23, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Ruchira V Bhat, Soumya Bera
Aug 21, 2021·Physical Review. E·Zhenghan Liao, Suriyanarayanan Vaikuntanathan

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