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APS -2017 Annual Meeting of the APS Mid-Atlantic Section- Event - Superinductors for Quantum Circuits

机译:APS -2017 APS中大西洋分会年会-活动-量子电路超电感器

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Many Josephson circuits intended for quantum computing would benefit from realization of a “superinductor”: a decoherence-free element whose microwave impedance greatly exceeds the resistance quantum $R_Q=h/(2e)^2$. An ability to change the inductance of this element at a short time scale ($<1mu s$) would be also an important advantage that could help to realize fault-tolerant operations with superconducting qubits. I will discuss two approaches to the development of superinductors based on Josephson junctions with small Josephson energies and strongly disordered superconductors and the related experimental challenges.M.T. Bell, I.A. Sadovskyy, L.B. Ioffe, A.Yu. Kitaev, and M.E. Gershenson, Quantum Superinductor with Tunable Non-Linearity, Phys. Rev. Lett. 109, 137003 (2012).M.?T. Bell, W. Zhang, L.?B. Ioffe, and M.?E. Gershenson. Spectroscopic Evidence of the Aharonov-Casher Effect in a Cooper Pair Box. Phys. Rev. Lett. 116, 107002 (2016).
机译:许多打算用于量子计算的约瑟夫森电路将从“超电感器”的实现中受益:超微波的无相干元件,其微波阻抗大大超过电阻量子$ R_Q = h /(2e)^ 2 $。能够在短时间内($ <1mu s $)改变该元件的电感的能力也是一个重要的优势,可以帮助实现超导量子位的容错操作。我将讨论两种基于约瑟夫森结,约瑟夫森小能量和强无序超导体的超导体开发方法以及相关的实验挑战。贝尔,IA萨多夫斯基(Sadovskyy)艾菲·尤Kitaev和M.E. Gershenson,具有可调非线性的量子超电感,物理牧师109,137003(2012)。贝尔W.张L.B.艾菲和M.E.格申森。库珀对盒中Aharonov-Casher效应的光谱证据。物理牧师116,107002(2016)。

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