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Volumn 102, Issue , 2002, Pages 155-161

Coherent manipulations of charge-number states in a cooper-pair box

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATION THEORY; ELECTRIC SPACE CHARGE; ENERGY GAP; HAMILTONIANS; QUANTUM THEORY;

EID: 0036455849     PISSN: 02811847     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper
Times cited : (8)

References (57)
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    • note
    • g. But. the effects can be easily included in the notations.
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    • odd), because there is only one quasi-particle in the box, while there are many Cooper pairs to be broken.
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    • Existence of the 1/f tail at about 100 GHz was suggested by a recent experiment on a single-electron pump: Covington, M., Keller, M.W., Kautz, R.L. and Martinis, J.M., Phys. Rev. Lett. 84, 5192 (2000); Kautz, R.L., Keller, M.W. and Martinis, J.M., Phys. Rev. B 62, 15888 (2000).
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    • Existence of the 1/f tail at about 100 GHz was suggested by a recent experiment on a single-electron pump: Covington, M., Keller, M.W., Kautz, R.L. and Martinis, J.M., Phys. Rev. Lett. 84, 5192 (2000); Kautz, R.L., Keller, M.W. and Martinis, J.M., Phys. Rev. B 62, 15888 (2000).
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    • It is worth mentioning that the background charge noise could be non-Gaussian, for example, when there are a few two-level charge fluctuators strongly coupled to the qubit: Paladino, E., Faoro, L., Falci, G. and Fazio, R., Phys. Rev. Lett. 88, 228304 (2002); Nguyen, A.K. and Girvin, S.M., Phys. Rev. Lett. 87, 127205 (2001).
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    • It is worth mentioning that the background charge noise could be non-Gaussian, for example, when there are a few two-level charge fluctuators strongly coupled to the qubit: Paladino, E., Faoro, L., Falci, G. and Fazio, R., Phys. Rev. Lett. 88, 228304 (2002); Nguyen, A.K. and Girvin, S.M., Phys. Rev. Lett. 87, 127205 (2001).
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    • note
    • The free-induction-decay signal in the experiment decayed faster than the calculation based on the same x as used to fit the echo data. This suggests that in the low-frequency range there existed more noise spectral density than the assumed 1/f spectrum.
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    • There is a similar proposal for a x-axis measurement: Zorin, A., Physica C 368, 284 (2002).
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    • note
    • After the Saclay experiment, the borderline between charge and phase qubits has become vague.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.