2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84292The fermionic exchange energy of ultracold ions is computed. It is shown that this effect allows to increase the ion coupling in traps by about an order of magnitude compared to the classical case.Comment, to M.S. Murillo, Phys. Rev. Lett. {\bf 87}, 115003 (2001), submitted to Phys. Rev. Lett. 1 revtex file (2 pages) and 1 eps figurePlasma PhysicsAtomic Physicstext