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  • Fidelity of quantum states - Wikipedia
    Fidelity of quantum states In quantum mechanics, notably in quantum information theory, fidelity quantifies the "closeness" between two density matrices It expresses the probability that one state will pass a test to identify as the other
  • Fidelity - Quantiki
    == Quantum Fidelity == Fidelity is a popular [ [Distance measures between states|measure of distance]] between [ [density operator]]s It is not a metric, but has some useful properties and it can be used to defined a metric on this space of density matrices, known as Bures metric
  • V Compare Quantum Operation Sensitivity - IOPscience
    degree of similarity of a pair of quantum states In practice, there are any situations where such a comparison is useful For example, since any experimental preparation of a quant um state is limited by imperfections and noise, one is generally interested to find how close the state actually produ
  • Quantum Fidelity, or, how to compare quantum states
    While there are many ways to quantify the distinguishability (i e , the degree of similarity) between two quantum states, we will focus here on one quantity of particular interest in Quantum Information theory: the Quantum Fidelity (or the so-called Uhlmann-Jozsa Fidelity)
  • arXiv:1810. 08034v1 [quant-ph] 18 Oct 2018 quantum communications, and . . .
    1 Introduction thematical prescription for the quanti cation of the degree of similarity of a pair of quantum states In practice, there are many situations where such a comparison is useful For example, since any experimental preparation of a quantum state is limited by imperfections and noise, one is generall
  • On the learnability of quantum state fidelity - Springer
    Fidelity estimation is a regression task in which our goal is to estimate the state fidelity of a circuit through its representation only without undergoing exponential tomographic measurements, thus reducing the input space complexity
  • quantum_info (latest version) | IBM Quantum Documentation
    This is equivalent to the standard classical fidelity F (Q, P) = (∑ i p i q i) 2 F (Q,P) = (∑i piqi)2 that in turn is equal to the quantum state fidelity for diagonal density matrices
  • Optimal fidelity estimation for density matrix | Scientific Reports
    The traditional fidelity estimation is to calculate the distance between two density matrices by employing direct fidelity estimation, which consumes too much copies of state To reduce the
  • Arkansas Governor Sanders declares June Fidelity Month
    The governor’s proclamation states that Arkansas’s commitment to spiritual and civic institutions remains central to the state’s identity and that fostering fidelity to God, family, community and country contributes to a stable and flourishing society Sanders noted that community and faith leaders promote June as a time to encourage renewed focus on those values and institutions





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