Analyticity of the one-particle density matrix

Abstract

It is proved that the one-particle density matrix $\gamma (x,y)$ for multi-particle systems is analytic away from the nuclei and from the diagonal $x=y$.

31 pages. Compared to the previous version, the introduction has been rewritten, presentation in Sect. 4,5 has been improved

References in corpus (1)

• Universal Functionals in Density Functional Theory

Cited by in corpus (1)

• The diagonal behaviour of the one-particle Coulombic density matrix