The Landau-Zener Model with Decoherence: The case S=1/2
Quantum Physics
2007-05-23 v1
Abstract
We study the dynamics of a spin coupled to an oscillating magnetic field, in the presence of decoherence and dissipation. In this context we solve the master equation for the Landau-Zener problem, both in the unitary and in the irreversible case. We show that a single spin can be "magnetized" in the direction parallel to the oscillating bias. When decay from upper to lower level is taken into account, hysteretic behavior is obtained.
Cite
@article{arxiv.quant-ph/0203110,
title = {The Landau-Zener Model with Decoherence: The case S=1/2},
author = {V. G. Benza and G. Strini},
journal= {arXiv preprint arXiv:quant-ph/0203110},
year = {2007}
}
Comments
26 pages, 12 figures