Racah Recoupling Matrices for System of Two Free Electrons Confined To Single Star
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Racah-Wigner type of calculus is adapted to the system of two free electrons in a cubic box, confined to a single star p00 of quasimomentum. Various coupling schemes (LS-like, jj-like, and transitive) have been reviewed in analogy to the case of a free atom. Racah recoupling matrices are calculated explicitly, and their quantum-mechanical meaning is exposed in terms of octahedral multipoles.
- 75.20.-g: Diamagnetism, paramagnetism, and superparamagnetism
- 75.10.Lp: Band and itinerant models
- 31.10.+z: Theory of electronic structure, electronic transitions, and chemical binding(for theory and mathematical methods applied to electronic structure of biomolecules, see 87.10.-e)
- 02.20.-a: Group theory(for algebraic methods in quantum mechanics, see 03.65.Fd; for symmetries in elementary particle physics, see 11.30.-j)
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