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Solutions of the Two-State Potential-Curve-Crossing Problem

Delos, John B.
Thorson, W. R.
Abstract
A general theory of the two-state curve-crossing problem has been developed, with a complete solution of an accurate model for "close" crossings (including numerical computations for strong coupling). Results clarify the position of the Landau-Zener approximation and its improvements by Nikitin and others, provide a general way of extending these approximations into regions often treated incorrectly (including the high-energy limit), and can be readily adapted to simple, rapid calculations.
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1972-03-01
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American Physical Society
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Physics
DOI
https://doi.org/10.1103/PhysRevLett.28.647
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