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arxiv 2004.03863 v1 pith:CI4UFU5G submitted 2020-04-08 quant-ph

The effect of the second nearest neighbor interaction on the population transfer in a four-particle Landau-Zener system

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keywords nearestsecondtransitioneffectinteractionsneighborspopulationprobability
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Population transfer in quantum systems has always been an interesting area in physics since the introduction of quantum mechanics. In this paper, transition probabilities for a coupled system consisting of four two - level particles are studied by solving Landau - Zener Hamiltonian. The effects of the first and second nearest neighbors interactions are investigated. Presented results indicate that the second nearest neighbors interactions will decrease the transition probability when the coupling strength for each neighborhood has the same sign. The fast sweep effect on transition probability is also studied here.

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