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Quantum Chemistry
Open Quantum Systems Decoherence
Circumventing Detector Backaction on a Quantum Cyclotron
arXiv
Authors: Xing Fan, Gerald Gabrielse
Year
2020
Paper ID
21700
Status
Preprint
Abstract Read
~2 min
Abstract Words
84
Citations
N/A
Abstract
Detector backaction can be completely evaded when the state of a one-electron quantum cyclotron is detected, but it nonetheless significantly broadens the quantum-jump resonance lineshapes from which the cyclotron frequency can be deduced. This limits the accuracy with which the electron magnetic moment can be determined to test the standard model's most precise prediction. A steady state solution to a master equation, the first quantum calculation for the open quantum cyclotron system, illustrates a method to circumvent the detection backaction upon the measured frequency.
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- Detector backaction can be completely evaded when the state of a one-electron quantum cyclotron is detected, but it nonetheless significantly broadens the quantum-jump...
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