连贯性(哲学赌博策略)
国家(计算机科学)
量子
物理
微波食品加热
量子态
系列(地层学)
量子传感器
光电子学
量子计算机
量子力学
量子网络
计算机科学
算法
生物
古生物学
作者
Denis Vion,A. Aassime,Audrey Cottet,P. Joyez,H. Pothier,C. Urbina,D. Estève,Michel Devoret
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2002-05-03
卷期号:296 (5569): 886-889
被引量:1502
标识
DOI:10.1126/science.1069372
摘要
We have designed and operated a superconducting tunnel junction circuit that behaves as a two-level atom: the "quantronium." An arbitrary evolution of its quantum state can be programmed with a series of microwave pulses, and a projective measurement of the state can be performed by a pulsed readout subcircuit. The measured quality factor of quantum coherence Qphi approximately 25,000 is sufficiently high that a solid-state quantum processor based on this type of circuit can be envisioned.
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