Valence photodetachment of Li{sup -} and Na{sup -} using relativistic many-body techniques

Journal Article · Sun May 15 00:00:00 EDT 2011 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.83.053419· OSTI ID:21546802

Jose, J; Pradhan, G B ^[1]; Radojevic, V ^[2]; Manson, S T ^[3]; Deshmukh, P C ^[1]

---

1. Department of Physics, Indian Institute of Technology Madras, Chennai-600036 (India)
2. Institute of Physics, Pregrevica 118, P.O. Box 68, 11080 Beograd-Zemun (Serbia)
3. Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303 (United States)

The multiconfiguration Tamm-Dancoff technique (MCTD) is applied to study photodetachment of negative ions of lithium and sodium. A cusplike structure is found in the photodetachment cross section just below the first detachment-plus-excitation threshold of Li{sup -} (Li 2p), and of Na{sup -} (Na 3p), in qualitative agreement with existing theoretical and experimental results. The current work emphasizes the importance of correlation in the form of configuration interaction in the photodetachment process and demonstrates the utility of MCTD in dealing with highly correlated systems.

• OSTI ID: 21546802
• Journal Information: Physical Review. A, Vol. 83, Issue 5; Other Information: DOI: 10.1103/PhysRevA.83.053419; (c) 2011 American Institute of Physics; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
CONFIGURATION INTERACTION
CORRELATIONS
CROSS SECTIONS
EXCITATION
LITHIUM IONS
MANY-BODY PROBLEM
RELATIVISTIC RANGE
SODIUM IONS
VALENCE
CHARGED PARTICLES
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
IONS