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arXiv quant-ph/0603033quant-ph
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紧束缚链中量子态的分数回复

Fractional revivals of quantum state in tight-binding chain

Bing Chen, Z. Song, C. P. Sun

摘要:

研究了高斯波包(GWP)在具有均匀近邻跳跃积分的紧束缚链中的时间演化。分析和数值模拟表明,在这种系统中,量子态发生了分数回复,即,在适当的时候,一个GWP可以在不同的位置演化成初始状态的多个副本。讨论了这种量子现象在固态系统中量子信息传输方案中的应用。

英文摘要:

We investigate the time evolution of Gaussian wave packet (GWP) in the tight-binding chain with uniform nearest neighbor (NN) hopping integral. Analytical analysis and numerical simulations show that the fractional revival of the quantum state occurs in such system, i.e., at appropriate time, a GWP can evolve into many copies of the initial state at different positions. The application of this quantum phenomenon to the scheme of quantum information transfer in solid-state system is discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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