TY - JOUR
T1 - Relativistic linearized coupled-cluster single-double calculations of positron-atom bound states
AU - Dzuba, V. A.
AU - Flambaum, V. V.
AU - Gribakin, G. F.
AU - Harabati, C.
PY - 2012/9/18
Y1 - 2012/9/18
N2 - Relativistic linearized coupled-cluster single-double approximation with third-order corrections is used to calculate positron-atom bound states. The method is tested on closed-shell atoms such as Be, Mg, Ca, Zn, Cd, and Hg, where a number of accurate calculations are available. It is then used to calculate positron binding energies for a range of open-shell transition metal atoms from Sc to Cu, from Y to Pd, and from Lu to Pt. These systems possess Feshbach resonances, which can be used to search for positron-atom binding experimentally through resonant annihilation or scattering.
AB - Relativistic linearized coupled-cluster single-double approximation with third-order corrections is used to calculate positron-atom bound states. The method is tested on closed-shell atoms such as Be, Mg, Ca, Zn, Cd, and Hg, where a number of accurate calculations are available. It is then used to calculate positron binding energies for a range of open-shell transition metal atoms from Sc to Cu, from Y to Pd, and from Lu to Pt. These systems possess Feshbach resonances, which can be used to search for positron-atom binding experimentally through resonant annihilation or scattering.
U2 - 10.1103/PhysRevA.86.032503
DO - 10.1103/PhysRevA.86.032503
M3 - Article
SN - 1050-2947
VL - 86
JO - Physical Review A (Atomic, Molecular, and Optical Physics)
JF - Physical Review A (Atomic, Molecular, and Optical Physics)
IS - 3
M1 - 032503
ER -