• Corpus ID: 15413547

Continuous quantum measurement with observer: pure wavefunction evolution instead of decoherence

@article{Korotkov2016ContinuousQM,
  title={Continuous quantum measurement with observer: pure wavefunction evolution instead of decoherence},
  author={Alexander N. Korotkov},
  journal={arXiv: Quantum Physics},
  year={2016}
}
  • A. Korotkov
  • Published 18 July 1998
  • Physics
  • arXiv: Quantum Physics
Author(s): Korotkov, Alexander N | Abstract: We consider a continuous measurement of a two-level system (double-dot) by weakly coupled detector (tunnel point contact nearby). While usual treatment leads to the gradual system decoherence due to the measurement, we show that the knowledge of the measurement result can restore the pure wavefunction at any time (this can be experimentally verified). The formalism allows to write a simple Langevin equation for the random evolution of the system… 

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