Strength of the Hubbard potential and its modification by breathing distortion in ${\text{BaBiO}}_3$

Alexander E. Lukyanov, Ivan A. Kovalev, Vyacheslav D. Neverov +3

${\text{BaBiO}}_3$ compound is known as an archetype example of a three-dimensional Holstein model with the realization of the charge density wave state at half-filling and the sup…