Exact-exchange density functional theory for neutron drops
Artikel i vetenskaplig tidskrift, 2011

We compute the ground-state properties of finite systems of neutrons in an external harmonic trap, interacting via the Minnesota potential, using the "exact-exchange" form of orbital-dependent density functional theory. We compare our results with Hartree-Fock calculations and find very close agreement. Within the context of the interaction studied, we conclude that this simple orbital-dependent functional brings conventional nuclear density functional theory to the level of Hartree-Fock in an ab initio fashion. Our work is a first step toward higher order ab initio nuclear functionals based on realistic nucleon-nucleon interactions.

matrix expansion

energy

nobel lecture

Författare

J. E. Drut

Lucas Platter

Chalmers, Teknisk fysik, Subatomär fysik

Physical Review C - Nuclear Physics

0556-2813 (ISSN) 1089-490X (eISSN)

Vol. 84

Ämneskategorier

Fysik

DOI

10.1103/PhysRevC.84.014318