A canonical sequence approach to the  E  ⊗ ε Jahn–Teller effect | Zendy

Fessatidis Vassilios | Zendy; Mancini Jay D. | Zendy; Bowen Samuel P. | Zendy; Massano William J. | Zendy

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A canonical sequence approach to the E ⊗ ε Jahn–Teller effect

Author(s) -

Fessatidis Vassilios,

Mancini Jay D.,

Bowen Samuel P.,

Massano William J.

Publication year - 2005

Publication title -

international journal of quantum chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.484

H-Index - 105

eISSN - 1097-461X

pISSN - 0020-7608

DOI - 10.1002/qua.20538

Subject(s) - degenerate energy levels , jahn–teller effect , sequence (biology) , ground state , quantum , variety (cybernetics) , physics , quantum mechanics , statistical physics , simple (philosophy) , theoretical physics , mathematical physics , mathematics , chemistry , ion , biochemistry , statistics , philosophy , epistemology

We study the linear E ⊗ ε Jahn–Teller effect in which a doubly degenerate fermionic (electron) level is coupled to a pair of degenerate oscillators. Because of the relative simplicity of the model, and since a complete numerical solution has been known for a long time, theorists have had at their disposal an excellent proving ground for a variety of calculational efforts. Here we apply the recently developed canonical sequence method (CSM) of Šamaj et al. J Phys 1997, A30, 1741 to investigate the ground state of this system. Comparisons are then made with other calculation schemes. © 2005 Wiley Periodicals, Inc. Int J Quantum Chem, 2005

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