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- Title
Landau–Zener Problem for Energies Close to Potential Crossing Points.
- Authors
Benderskii, V. A.; Vetoshkin, E. V.; Kats, E. I.
- Abstract
We examine a previously overlooked aspect of the well-known Landau–Zener (LZ) problem, namely, the behavior in the intermediate, i.e., close to a crossing point, energy region, when all four LZ states are coupled and should be taken into account. We calculate the 4 × 4 connection matrix in this intermediate energy region, possessing the same block structure as the known connection matrices for the tunneling and in the over-barrier regions of the energy and continuously matching those in the corresponding energy regions. Applications of the results may concern various systems of physics, chemistry, or biology, ranging from molecular magnets and glasses to Bose condensed atomic gases. © 2004 MAIK “Nauka / Interperiodica”.
- Subjects
INTERMEDIATES (Chemistry); ORGANIC compounds; ENERGY level densities; LANDAU levels; QUANTUM tunneling; PHYSICS
- Publication
JETP Letters, 2004, Vol 80, Issue 6, p436
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1830664