Corpus ID: 214082327

Observing a Topological Transition in Weak-Measurement-Induced Geometric Phases

@article{Wang2020ObservingAT,
  title={Observing a Topological Transition in Weak-Measurement-Induced Geometric Phases},
  author={Yunzhao Wang and K. Snizhko and A. Romito and Y. Gefen and K. Murch},
  journal={Bulletin of the American Physical Society},
  year={2020}
}
Measurement plays a quintessential role in the control of quantum systems. Beyond initialization and readout which pertain to projective measurements, weak measurements in particular, through their back-action on the system, may enable various levels of coherent control. The latter ranges from observing quantum trajectories to state dragging and steering. Furthermore, just like the adiabatic evolution of quantum states that is known to induce the Berry phase, sequential weak measurements may… Expand

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References

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Topological transition in measurement-induced geometric phases
Emergence of the geometric phase from quantum measurement back-action
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Persistent control of a superconducting qubit by stroboscopic measurement feedback
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