A rigorous spectral representation of relativistic random-phase approximation is presented.Explicit expression is derived for the effective particle-hole interaction which contains the direct term Kan,the exchange term KaQ and the kernel for the fermion line renormalization K_(fr).It is shown that according to our method,not only K_(an) but also K_(sc) and K_(fr) can be given rigorously in a form which depends only on one ω(energy)-variable and they all take account of the retardation effect properly.
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机译：New Machine Learning Study Findings Have Been Reported from University of Ghent (Accurately Determining the Phase Transition Temperature of Cspbi3 Via Random-phase Approximation Calculations and Phase-transferable Machine Learning Potentials)
