Quasiperiodic Floquet-Thouless Energy Pump
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We study a disordered one-dimensional fermionic system subject to quasiperiodic driving by two modes with incommensurate frequencies. We show that the system supports a topological phase in which energy is transferred between the two driving modes at a quantized rate. The phase is protected by a combination of disorder-induced spatial localization and frequency localization, a mechanism unique to quasiperiodically driven systems. We demonstrate that an analogue of the phase can be realized in a cavity-qubit system driven by two incommensurate modes.
Originalsprog | Engelsk |
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Artikelnummer | 166804 |
Tidsskrift | Physical Review Letters |
Vol/bind | 127 |
Udgave nummer | 16 |
Antal sider | 6 |
ISSN | 0031-9007 |
DOI | |
Status | Udgivet - 13 okt. 2021 |
ID: 282470946