Static and dynamic polarizabilities of Na{sup -} within a variationally stable coupled-channel hyperspherical method

Journal Article · Mon Nov 01 00:00:00 EST 2004 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.70.054501· OSTI ID:20646307

Masili, Mauro; Groote, J.J. de ^[1]

---

1. Centro Universitario Central Paulista-UNICEP, Rua Miguel Petroni 5111, 13 563-470 Sao Carlos, SP (Brazil)

Using a model potential representation combined with a variationally stable method, we present a precise calculation of the electric dipole polarizabilities of the sodium negative ion (Na{sup -}). The effective two-electron eigensolutions for Na{sup -} are obtained from a hyperspherical coupled-channel calculation. This approach allows efficient error control and insight into the system's properties through one-dimensional potential curves. Our result of 1018.3 a.u. for the static dipole polarizability is in agreement with previous calculations and supports our results for the dynamic polarizability, which has scarcely been investigated hitherto.

• OSTI ID: 20646307
• Journal Information: Physical Review. A, Vol. 70, Issue 5; Other Information: DOI: 10.1103/PhysRevA.70.054501; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
CONTROL
COUPLED CHANNEL THEORY
ELECTRIC DIPOLES
ELECTRONS
ERRORS
ONE-DIMENSIONAL CALCULATIONS
POLARIZABILITY
POTENTIAL ENERGY
POTENTIALS
SODIUM IONS
SURFACES
VARIATIONAL METHODS