TY - JOUR AU - López Rodríguez, José Manuel AU - Alonso Martín, Julio Alfonso AU - March, Norman Henry AU - Garcias, Francesca AU - Barranco, Manuel PY - 1994 UR - http://uvadoc.uva.es/handle/10324/2509 AB - Using the extended Thomas-Fermi version of density-functional theory (DFT), calculations are presented for the barrier for the reaction Na_(20)^+ + Na_(20)^+ -> Na_(40)^(2+) The deviation from the simple Coulomb barrier is shown to be proportional... LA - eng PB - The American Physical Society KW - Electrones TI - Barrier for the reaction X + 20 + X + 20 → X 2 + 40 in alkali-metal clusters related to electron density at the bond midpoint of the supermolecule ( X + 20 ) 2 DO - 10.1103/PhysRevB.49.5565 ER -