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Representation of fuzzy quantum posets of types I, II

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  1. Article

    Erratum to: Evolution Law of the Optical Field of Degenerate Parametric Amplifier in Dissipative Channel

    Feng Chen, Bao-long Fang, Rui He in International Journal of Theoretical Physi… (2014)

  2. Article

    Open Access

    A Deduction of the Hellmann-Feynman Theorem

    In this paper we present a deduction of the Hellmann-Feynman (HF) theorem for the lowest eigenenergy E0λ\(E_{0}\left (\lambda \right ) \) of a Hamiltonian \( H\left (\lambda \right ) \), that is : its second-order ...

    Chen Feng, Cheng Wei, Bao-long Fang in International Journal of Theoretical Physi… (2020)