Corpus ID: 196621597

Maximally Sensitive Sets of States

@article{Gottesman2019MaximallySS,
  title={Maximally Sensitive Sets of States},
  author={Daniel Gottesman},
  journal={arXiv: Quantum Physics},
  year={2019}
}
  • Daniel Gottesman
  • Published 2019
  • Mathematics, Physics
  • arXiv: Quantum Physics
  • Coherent errors in a quantum system can, in principle, build up much more rapidly than incoherent errors, accumulating as the square of the number of qubits in the system rather than linearly. I show that only channels dominated by a unitary rotation can display such behavior. A maximally sensitive set of states is a set such that if a channel is capable of quadratic error scaling, then it is present for at least one sequence of states in the set. I show that the GHZ states in the X, Y, and Z… CONTINUE READING

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