Abstract

Transition dynamics of a coupled two-particle quantum system is numerically investigated in a laser controlled Landau–Zener process. The effect of the laser parameters as well as the coupling strength of the particles on the Landau–Zener transition dynamics are investigated and discussed. It is shown that the coupling strength between the particles, which describes the ferromagnetic or antiferromagnetic behavior of the system, interestingly changes the uncoupled system transitions and introduces new intermediate states. The obtained results provide the required controlling parameters for optimal engineering of the quantum states.

© 2017 Optical Society of America

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