Titlebook: Handbook of Relativistic Quantum Chemistry; Wenjian Liu Living reference work 20200th edition

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Effective QED Hamiltonians,y-electron self-consistent calculations with this Hamiltonian remain to be efficient. In this chapter various approaches to the construction of the effective QED Hamiltonian are discussed. Finally, the scheme for the construction of the Hamiltonian which takes into account the lowest- order QED corr

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High-Accuracy Relativistic Coupled Cluster Calculations for the Heaviest Elements, potentials, electron affinities, and excitation energies, which are associated with the spectroscopic and chemical behavior of these elements and are therefore of considerable interest. Accurate predictions of these quantities require high-order inclusion of relativity and electron correlation, as

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One-Particle Basis Sets for Relativistic Calculations,they must satisfy the proper symmetry and functional relationships between the large and small components. For calculations in electrostatic fields, they must satisfy the . condition; when magnetic fields are added, they must satisfy the . condition. The basis sets must incorporate the effects of th

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QED Effects and Challenges,QED effects in atoms and molecules. Starting from the famous Lamb’s experiment with hydrogen, we finish with the most recent experiments with heavy ions. We will demonstrate the cases where the QED effects are extremely important for the comparison of the theoretical predictions with the experiment.