量子電腦 - 中研院物理研究所
量子電腦 - 中研院物理研究所
量子電腦 - 中研院物理研究所
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E<br />
ω<br />
超 導 體 Josephson-junction-based qubits<br />
“ phase” “ flux” ” “ charge”<br />
Single junction SQUID Cooper-pair box<br />
U J<br />
= E J<br />
1<br />
0<br />
( 1−<br />
cosφ)<br />
Φ<br />
1 φ = − φ<br />
2<br />
ex<br />
0<br />
E<br />
Δ 0<br />
E c < E J<br />
E<br />
E c > E J<br />
n<br />
1<br />
Q0 = − − 2e<br />
2<br />
E J<br />
( )<br />
φ<br />
0 1<br />
φ φ<br />
φ<br />
0 1<br />
q<br />
NIST<br />
Delft<br />
Saclay<br />
NEC<br />
Kansas<br />
Maryland<br />
UCSB<br />
NTT<br />
Jena<br />
Chalmers<br />
Yale<br />
JPL
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