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Quantum Chemistry
Quantum Simulation
Effective Hamiltonian for doubly excited Helium states based on four dimensional Harmonic Oscillator
arXiv
Authors: Torsten Victor Zache, Aniruddha Chakraborty
Year
2013
Paper ID
32753
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
Effective Hamiltonians for doubly excited Heliums states based on approximate O(4) symmetry are revised. New quantum numbers for a 4D Harmonic Oscillator are assigned to Helium states with both electrons in the n=2 shell. An effective Hamiltonian operator is constructed and optimzed by means of non-linear least-square fits to the energy levels of the Helium isoelectronic series. The results are interpreted in terms of electron correlation and a possible unified description of two-electron atom intrashell states.
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- Effective Hamiltonians for doubly excited Heliums states based on approximate O(4) symmetry are revised.
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