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

被引：3

作者：

Fessatidis, V ^{[1
]}

Mancini, JD

Bowen, SP

Massan, WJ

机构：

[1] Fordham Univ, Dept Phys, Bronx, NY 10458 USA

[2] CUNY, Kingsborough Coll, Dept Phys Sci, Brooklyn, NY 11235 USA

[3] Chicago State Univ, Dept Chem & Phys, Chicago, IL 60628 USA

[4] SUNY Maritime, Dept Sci, Ft Schuyler, NY 10465 USA

来源：

INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY | 2005年 / 103卷 / 06期

关键词：

connected-moments expansion; Lanczos tridiagonalization; ground-state energy;

D O I：

10.1002/qua.20538

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We study the linear E circle times epsilon 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 Samaj et al. [J Phys 1997, A30, 1741] to investigate the ground state of this system. Comparisons are then made with other calculation schemes. (C) 2005 Wiley Periodicals, Inc.

引用

页码：792 / 797

页数：6