F. Di Giacomo, E. E. Nikitin, “The Majorana formula and the Landau–Zener–Stückelberg treatment of the avoided crossing problem”, UFN, 2005, Volume 175, Number 5,Pages <nobr>545

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METHODOLOGICAL NOTES

The Majorana formula and the Landau–Zener–Stückelberg treatment of the avoided crossing problem

F. Di Giacomo^a, E. E. Nikitin^bc

^a Department of Chemical Engineering and Materials, University of Rome "La Sapienza"
^b Max-Planck Institut für Biophysikalische Chemie
^c Department of Chemistry, Technion — Israel Institute of Technology

Abstract: The Majorana formula for the probability of spin-flipping in a time-dependent magnetic field which almost vanishes at a certain moment is discussed in connection with the celebrated work by Landau, Zener, and Stückelberg for nonadiabatic dynamics in the avoided crossing situation.

PACS: 01.40.-d, 01.65.+g, 03.65.-w

Received: February 27, 2005

DOI: 10.3367/UFNr.0175.200505f.0545