On Some Attempts to Generalize the Effective Hamiltonian Approach

Abstract : A clear and simple method to derive various intermediate Hamiltonians is proposed. Several intermediate Hamiltonians usable for various purposes are presented. The new intermediate Hamiltonians have the same properties as the traditional effective Hamiltonians but they should present better convergence properties, and should avoid any intruder state problem.
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https://hal.archives-ouvertes.fr/jpa-00248144
Contributor : Archives Journal de Physique <>
Submitted on : Sunday, January 1, 1995 - 8:00:00 AM
Last modification on : Friday, October 11, 2019 - 8:22:39 PM
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Jean-Louis Heully, Stefano Evangelisti, Philippe Durand. On Some Attempts to Generalize the Effective Hamiltonian Approach. Journal de Physique II, EDP Sciences, 1995, 5 (1), pp.63-74. ⟨10.1051/jp2:1995100⟩. ⟨jpa-00248144⟩

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