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cond-mat.mtrl-sci2019
Accurate optical spectra of solids from pure time-dependent density-functional theory
Sarah Cavo, J. A. Berger, Pina Romaniello
We present accurate optical spectra of semiconductors and insulators within a pure Kohn-Sham time-dependent density-functional approach. In particular, we show that the onset of th…
cond-mat.str-el2019
Many-Body Effective Energy Theory: photoemission at strong correlation
S. Di Sabatino, J. A. Berger, P. Romaniello
In this work we explore the performance of a recently derived many-body effective energy theory for the calculation of photoemission spectra in the regime of strong electron correl…