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| Hauptseite > Publikationsdatenbank > Cooper-pair transistor as a minimal topological quantum circuit > print |
| Hauptseite > Publikationsdatenbank > Cooper-pair transistor as a minimal topological quantum circuit > print |
| 001 | 903744 | ||
| 005 | 20230123110545.0 | ||
| 024 | 7 | _ | |a 10.1103/PhysRevResearch.4.013038 |2 doi |
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| 037 | _ | _ | |a FZJ-2021-05384 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Herrig, Tobias |0 P:(DE-Juel1)179462 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Cooper-pair transistor as a minimal topological quantum circuit |
| 260 | _ | _ | |a College Park, MD |c 2022 |b APS |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a The outlook of protected quantum computing spurred enormous progress in the search for topological materials, sustaining a continued race to find the most experimentally feasible platform. Here we show that one of the simplest quantum circuits, the Cooper-pair transistor, exhibits a nontrivial Chern number which has not yet been discussed, in spite of the exhaustive existing literature. Surprisingly, the resulting quantized current response is robust with respect to a large number of external perturbations, most notably low-frequency charge noise and quasiparticle poisoning. Moreover, the fact that the higher bands experience crossings with higher topological charges leads to all the bands having the same Chern number, such that there is no restriction to stay close to the ground state. Remaining small perturbations are investigated based on a generic master equation approach. Finally, we discuss a feasible protocol to measure the quantized current. |
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| 773 | _ | _ | |a 10.1103/PhysRevResearch.4.013038 |g Vol. 4, no. 1, p. 013038 |0 PERI:(DE-600)3004165-X |n 1 |p 013038 |t Physical review research |v 4 |y 2022 |x 2643-1564 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/903744/files/Invoice_INV_21_DEC_007407.pdf |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/903744/files/PhysRevResearch.4.013038.pdf |y OpenAccess |
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