Using the Breit-Wigner definition of a resonance, we calculate both resonance positions and widths for a model nonseparable hamiltonian. using a uniform semiclassical self-consistent-field (SCF) method. Excellent agreement with recent comples-coordinate quantum SCF calculations is obtained
Semiclassical self-consistent field calculations of feshbach resonance energies
โ Scribed by A.D. Smith; W.-K. Liu
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 430 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0009-2614
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๐ SIMILAR VOLUMES
Different self-consistent field SCF iteration schemes for open-shell systems are discussed. After a brief summary of the well-known level shifting and ลฝ . damping procedure, we describe the quadratically convergent SCF QCSCF approach based on the gradient and the Hessian matrix in a space of orbital
## Self-consistent-field Calculations and Model Hamiltonians Hartree-Fock (HF) theory was developed in the early 1930s by the theoretical physicists Hartree (1928a, 1928b) and Fock (1930) to deal with the quantum mechanical problem of many-particle atomic and molecular systems. Initially developed