Journal
PHYSICAL REVIEW B
Volume 82, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.82.180518
Keywords
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Funding
- Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST)
- MEXT [18001002]
- JSPS [22241025]
- Grants-in-Aid for Scientific Research [22241025] Funding Source: KAKEN
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Detailed schemes are investigated for experimental verification of Quantum Zeno effect with a superconducting qubit. A superconducting qubit is affected by a dephasing noise whose spectrum is 1/f and so the decay process of a superconducting qubit shows a naturally nonexponential behavior due to an infinite correlation time of 1/f noise. Since projective measurements can easily influence the decay dynamics having such nonexponential feature, a superconducting qubit is a promising system to observe quantum Zeno effect. We have studied how a sequence of projective measurements can change the dephasing process and also we have suggested experimental ways to observe quantum Zeno effect with a superconducting qubit. It would be possible to demonstrate our prediction in the current technology.
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