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Strong Single-Photon Coupling in Superconducting Quantum Magnetomechanics

zqyin 添加于 2014-12-19 14:18 | 1226 次阅读 | 0 个评论

作者
Via G, Kirchmair G, Romero-Isart O
摘要
We show that the inductive coupling between the quantum mechanical motion of a superconducting microcantilever and a flux-dependent microwave quantum circuit can attain the strong single-photon nanomechanical coupling regime with feasible experimental parameters. We propose to use a superconducting strip, which is in the Meissner state, at the tip of a cantilever. A pick-up coil collects the flux generated by the sheet currents induced by an external quadrupole magnetic field centered at the strip location. The position-dependent magnetic response of the superconducting strip, enhanced by both diamagnetism and demagnetizing effects, leads to a strong magnetomechanical coupling to quantum circuits.
详细资料
- 关键词: quant-ph; cond-mat.mes-hall; cond-mat.supr-con
- 文献种类:手稿
- 期卷页: 2014年
- 日期: 2014-12-19
- 发布方式: arXiv e-prints
- 备注:arXiv:1412.6074v1; 8 pages (including appendix), 3 figures
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