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arXiv 1809.09182quant-phphysics.atom-ph
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结构化量子射弹

Structured Quantum Projectiles

Hugo Larocque, Robert Fickler, Eliahu Cohen, Vincenzo Grillo, Rafal E. Dunin-Borkowski, Gerd Leuchs, Ebrahim Karimi

备注：
11 pages, 6 figures
发表信息：
Phys. Rev. A 99, 023628 (2019)
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摘要：

在量子精密测量中，物质波干涉术正成为一种越来越重要的技术。然而，与其光子对应物不同，该技术依赖于具有非零静止质量和电荷的粒子的干涉。因此，物质波在通过均匀场传播时，其波动特征会发生变化，而均匀场可以归因于线性势。在这里，我们推导出结构物质波线性势的解析表达式。我们表明，对应于这些波函数的质心遵循经典的抛物线轨迹归因于这个潜在的，也提供了额外的相位轮廓传播时获得的波。此外，我们发现，这些功能是相同的任何结构波，从而显着简化的行动量子效应属于这种潜力的应用程序依赖于结构量子波。

英文摘要：

Matter wave interferometry is becoming an increasingly important technique in quantum metrology. However, unlike its photonic counterpart, this technique relies on the interference of particles possessing a non-zero rest mass and an electric charge. Matter waves, thus, can experience alterations in their wave-like features while propagating through uniform fields to which a linear potential can be attributed. Here, we derive analytical expressions for structured matter waves subjected to linear potentials. We show that the center of mass of corresponding to these wavefunctions follows the classical parabolic trajectory attributed to this potential and also provide the additional phase profile acquired by the wave upon propagation. Furthermore, we find that these features are identical for any structured wave, thus significantly simplifying the action of quantum effects pertaining to this potential in applications relying on structured quantum waves.

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