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Open Quantum Systems Decoherence

Switchable Damping for a One-Particle Oscillator

arXiv
Authors: X. Fan, S. E. Fayer, T. G. Myers, B. A. D. Sukra, G. Nahal, G. Gabrielse

Year

2020

Paper ID

19254

Status

Preprint

Abstract Read

~2 min

Abstract Words

94

Citations

N/A

Abstract

The possibility to switch the damping rate for a one-electron oscillator is demonstrated, for an electron that oscillates along the magnetic field axis in a Penning trap. Strong axial damping can be switched on to allow this oscillation to be used for quantum nondemolition detection of the cyclotron and spin quantum state of the electron. Weak axial damping can be switched on to circumvent the backaction of the detection motion that has limited past measurements. The newly developed switch will reduce the linewidth of the cyclotron transition of one-electron by two orders of magnitude.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • The possibility to switch the damping rate for a one-electron oscillator is demonstrated, for an electron that oscillates along the magnetic field axis in a Penning trap.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2011.08136 [2] arXiv https://arxiv.org/abs/2011.08136 [3] Publisher https://arxiv.org/abs/2011.08136

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