High-precision calculations of dispersion coefficients, static dipole polarizabilities, and atom-wall interaction constants for alkali-metal atoms
نویسنده
چکیده
The van der Waals coefficients for the alkali-metal atoms from Na to Fr interacting in their ground states, are calculated using relativistic ab initio methods. The accuracy of the calculations is estimated by also evaluating atomic static electric dipole polarizabilities and coefficients for the interaction of the atoms with a perfectly conducting wall. The results are in excellent agreement with the latest data from ultra-cold collisions and from studies of magnetic field induced Feshbach resonances in Na and Rb. For Cs we provide critically needed data for ultra-cold collision studies. PACS: 34.20.Mq, 32.10.Dk, 34.50.Dy, 31.15.Ar Typeset using REVTEX
منابع مشابه
Electric dipole polarizabilities at imaginary frequencies for hydrogen, the alkali–metal, alkaline–earth, and noble gas atoms
0092-640X/$ see front matter 2009 Elsevier Inc. A doi:10.1016/j.adt.2009.12.002 * Corresponding author. Tel.: +1 617 496 7612; fax E-mail addresses: [email protected] (A. Derev (S.G. Porsev), [email protected] (J.F. Babb). The electric dipole polarizabilities evaluated at imaginary frequencies for hydrogen, the alkali–metal atoms, the alkaline–earth atoms, and the noble gases are tabulated alo...
متن کامل2 3 Ju n 19 99 Relativistic many - body calculations of energy levels , hyperfine constants , electric - dipole matrix elements and static polarizabilities for alkali - metal atoms
Relativistic many-body calculations of energy levels, hyperfine constants, electric-dipole matrix elements and static polarizabilities for alkali-metal atoms. Abstract Removal energies and hyperfine constants of the lowest four ns, np 1/2 and np 3/2 states in Na, K, Rb and Cs are calculated; removal energies of the n=7–10 states and hyperfine constants of the n=7 and 8 states in Fr are also cal...
متن کاملElectric dipole polarizabilities and C6 dipole-dipole dispersion coefficients for alkali metal clusters and C60
The frequency dependent polarizabilities of closed-shell alkali metal clusters containing up to ten lithium, potassium, and rubidium atoms have been calculated using the linear complex polarization propagator approach in conjunction with Hartree–Fock and Kohn–Sham density functional theory. In combination with polarizabilities for C60 from a previous work [J. Chem. Phys. 123, 124312 (2005)], th...
متن کاملRelativistic many-body calculations of energy levels, hyperfine constants, electric-dipole matrix elements, and static polarizabilities for alkali-metal atoms
Removal energies and hyperfine constants of the lowest four ns , np1/2 , and np3/2 states in Na, K, Rb, and Cs are calculated; removal energies of the n57 –10 states and hyperfine constants of the n57 and 8 states in Fr are also calculated. The calculations are based on the relativistic single-double ~SD! approximation in which single and double excitations of Dirac-Hartree-Fock wave functions ...
متن کاملAnalysis of Polarizability Measurements Made with Atom Interferometry
We present revised measurements of the static electric dipole polarizabilities of K, Rb, and Cs based on atom interferometer experiments presented in [Phys. Rev. A 2015, 92, 052513] but now re-analyzed with new calibrations for the magnitude and geometry of the applied electric field gradient. The resulting polarizability values did not change, but the uncertainties were significantly reduced. ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1998