期刊
PHYSICAL REVIEW LETTERS
卷 127, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.166804
关键词
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资金
- National Science Foundation [DMR-1945529]
- Welch Foundation [AT-203620200401]
- Israel Science Foundation [1686/18]
- European Research Council (ERC) under the European Union Horizon 2020 Research and Innovation Programme [678862]
- Villum Foundation
The study investigates a disordered one-dimensional fermionic system driven by two incommensurate frequencies, showing the support of a topological phase where energy transfers between the two driving modes at a quantized rate. The phase is protected by a combination of disorder-induced spatial and frequency localizations unique to quasiperiodically driven systems. It is demonstrated that a similar phase can be realized in a cavity-qubit system driven by two incommensurate modes.
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.
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