Refers to the quantum algorithm used to estimate the eigenvalue corresponding to an eigenvector of a unitary operator. (Wikipedia)
More information can be found in the following links:
- The Wikipedia page "Quantum phase estimation algorithm"
- Quantum Algorithms Revisited (Cleve, Ekert, Macchiavello & Mosca, 1997)
QPE or QPEA are commonly used as abbreviations of the Quantum Phase Estimation (Algorithm).
