✦ LIBER ✦

A new perturbation approach to coupling between adiabatic states

✍ Scribed by Allan R. Gregory; Willem Siebrand

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 418 KB
Volume: 29
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(74)80124-7

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✦ Synopsis

A new perturbation expansion, formally related to Tanaka-Fukuda perturbation 'Lheory 1 is derived and applied to the genera1 pioblem ofnonadinbatic coupling. The ,coupfing between xfiabatic Born-Oppenheimer stafes in polyatomic molecules is treated in detail in both the one-and multi-phonon !imits, for which previous methods are often unreliable, even for order-of-magnitude estimates:

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