Efficient readout of flux qubits at degeneracy
| dc.creator | Kack, A. | |
| dc.creator | Wilhelm, F. K. | |
| dc.date | 2005-05-21 | |
| dc.date.accessioned | 2026-07-07T03:05:18Z | |
| dc.date.available | 2026-07-07T03:05:18Z | |
| dc.description | We present a superconducting circuit consisting of a flux qubit and a single-charge transistor serving as a detector. As flux and charge are conjugate, the transistor can detect states of the qubit close to the flux degeneracy point, when the eigenstates are quantum superpositions of fluxes. The coupling has a flip-flop symmetry conserving the total number of excitations, and so the measurement outcome results in the absence or presence of an incoherent tunneling cycle. We evaluate the performance of a practical device and show that it is an attractive tool for measuring at the degeneracy point. | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0505537 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0505537 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/26399 | |
| dc.subject | Superconductivity | |
| dc.title | Efficient readout of flux qubits at degeneracy | |
| dc.type | text |