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Quantum Fisher Information (QFI) is a fundamental concept in quantum estimation theory, which quantifies the amount of information that an observable quantum state provides about a parameter of interest. It plays a crucial role in tasks such as quantum parameter estimation, quantum metrology, and quantum state discrimination.

Ancestors (6)

  1. Quantum information science
  2. Theoretical computer science
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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