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Dynamical Correction to the Bethe-Salpeter Equation Beyond the Plasmon-Pole Approximation
Pierre-François Loos, Xavier Blase
The Bethe-Salpeter equation (BSE) formalism is a computationally affordable method for the calculation of accurate optical excitation energies in molecular systems. Similar to the…
The Bethe-Salpeter Equation Formalism: From Physics to Chemistry
Xavier Blase, Ivan Duchemin, Denis Jacquemin +1
The Bethe-Salpeter equation (BSE) formalism is steadily asserting itself as a new efficient and accurate tool in the ensemble of computational methods available to chemists in orde…
Pros and Cons of the Bethe-Salpeter Formalism for Ground-State Energies
Pierre-François Loos, Anthony Scemama, Ivan Duchemin +2
The combination of the many-body Green's function approximation and the Bethe-Salpeter equation (BSE) formalism has shown to be a promising alternative to time-dependent densi…
Ab initio many-body GW correlations in the electronic structure of LaNiO
Valerio Olevano, Fabio Bernardini, Xavier Blase +1
We present an ab initio self-energy calculation of the electronic structure of LaNiO. With respect to density-functional theory we find that in the La 4 states und…