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Zhu-Nakamura theory and the superparabolic level-glancing models | | Jaakko Lehto
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11 Apr 2013 | | Abstract: | We study the applicability of the Zhu-Nakamura theory to a class of
time-dependent quantum mechanical level-crossing models called superparabolic
level-glancing models. The phenomenon of a level glancing, being on the
borderline between a proper crossing of energy levels and an avoided crossing,
is also an important special case between the two different approximative
expressions in the Zhu-Nakamura theory. It is seen that the application of the
theory to these models is not straightforward. We discuss some possible causes
of these difficulties and also compare the approximative formulas of
Zhu-Nakamura theory to those obtained by the generalization of the DDP theory. | | Source: | arXiv, 1304.3331 | | Services: | Forum | Review | PDF | Favorites | |
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