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Open Quantum Systems Decoherence
Experimental Test of Error-Disturbance Uncertainty Relations by Weak Measurement
arXiv
Authors: Fumihiro Kaneda, So-Young Baek, Masanao Ozawa, Keiichi Edamatsu
Year
2013
Paper ID
33045
Status
Preprint
Abstract Read
~2 min
Abstract Words
52
Citations
N/A
Abstract
We experimentally test the error-disturbance uncertainty relation (EDR) in generalized, strength-variable measurement of a single photon polarization qubit, making use of weak measurement that keeps the initial signal state practically unchanged. We demonstrate that Heisenberg's EDR is violated, yet Ozawa's and Branciard's EDRs are valid throughout the range of our measurement strength.
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- We experimentally test the error-disturbance uncertainty relation (EDR) in generalized, strength-variable measurement of a single photon polarization qubit, making use of weak...
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