Quantum Zeno effect in the strong measurement regime of circuit quantum electrodynamics

Slichter, D. H., Muller, C., Vijay, R., Weber, S. J., Blais, A. and Siddiqi, I. (2016) Quantum Zeno effect in the strong measurement regime of circuit quantum electrodynamics. New Journal of Physics, 18 053031: 1-15. doi:10.1088/1367-2630/18/5/053031


Author Slichter, D. H.
Muller, C.
Vijay, R.
Weber, S. J.
Blais, A.
Siddiqi, I.
Title Quantum Zeno effect in the strong measurement regime of circuit quantum electrodynamics
Journal name New Journal of Physics   Check publisher's open access policy
ISSN 1367-2630
Publication date 2016-05-01
Year available 2016
Sub-type Article (original research)
DOI 10.1088/1367-2630/18/5/053031
Open Access Status DOI
Volume 18
Issue 053031
Start page 1
End page 15
Total pages 15
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing
Collection year 2017
Language eng
Abstract We observe the quantum Zeno effect—where the act of measurement slows the rate of quantum state transitions—in a superconducting qubit using linear circuit quantum electrodynamics readout and a near-quantum-limited following amplifier. Under simultaneous strong measurement and qubit drive, the qubit undergoes a series of quantum jumps between states. These jumps are visible in the experimental measurement record and are analyzed using maximum likelihood estimation to determine qubit transition rates. The observed rates agree with both analytical predictions and numerical simulations. The analysis methods are suitable for processing general noisy random telegraph signals.
Keyword Quantum Zeno effect
Quantum jumps
Superconducting qubit
Circuit QED
Random telegraph signals
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
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