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Stability of localized quantum states on the top of a barrier and some of its consequences: the specific case of a symmetric double well potential

✍ Scribed by S. Adhikari; S.P. Bhattacharyya; P. Dutta

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 307 KB
Volume: 248
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)01305-9

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✦ Synopsis

It is demonstrated that barriers, like potential wells, can support localised states. However, barrier-localized states are seen to be much more short-lived compared to states localised in potential wells. These features are revealed with reference to a symmetric double-well potential by using the exterior complex-scaled Fourier grid Hamiltonian method. Some implications of the results are pointed out.