Lattice Enthalpy Drives Hubbard U to Zero

Sven Larsson

Department of Chemistry, Chalmers, Sweden.

DOI: 10.4236/jmp.2013.46A007                

Abstract

In the equation U = I – A for the Mott energy, the electron-hole interaction of the successor state is missing. Adding the attractive term, the energy for disproportionation (Hubbard U), may adopt any sign. The missing term is related to the Born effect, the Madelung correction and the Lattice Enthalpy.

Keywords

Hubbard U; Lattice Enthalpy; Superconductivity; Correlation; Disproportionation

Conflicts of Interest

The authors declare no conflicts of interest.

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