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Josephson-phase qubit without tunneling

delete2003-03-31
delete67
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OA
AI
M
M. H. S. Amin
A
Anatoly Yu. Smirnov
V
van den Brink, AM *
DOI:10.1103/PhysRevB.67.100508delete
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摘要

摘要

En 中文
We show that a complete set of one-bit gates can be realized by coupling the two logical states of a phase qubit to a third level (at higher energy) using microwave pulses. Thus, one can achieve coherent control without invoking any tunneling between the qubit levels. We propose two implementations, using rf-SQUIDs and d-wave Josephson junctions.
Keyword:
PERSISTENT-CURRENT QUBIT
D-WAVE SUPERCONDUCTORS
QUANTUM COMPUTER
MAGNETIC-FLUX
JUNCTION
STATE
OSCILLATIONS
DEVICES
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期刊

Physical Review B 封面图
Physical Review B
IF:
3.7
论文数:
15.4W
被引数:
41.0W

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