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arXiv 1306.2204cond-mat.mes-hallquant-ph
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狄拉克振荡器的首次实验实现

First experimental realization of the Dirac oscillator

J. A. Franco-Villafañe, E. Sadurní, S. Barkhofen, U. Kuhl, F. Mortessagne, T. H. Seligman

摘要:

我们提出了第一个实验微波实现的一维狄拉克振荡器,在精确可解相对论系统的范例。实验依赖于狄拉克振子与相应紧束缚系统的关系。这种紧束缚系统通过耦合介质盘链实现为微波系统,其中耦合是瞬逝的并且可以适当地调整。有限微波系统的共振产生的频谱的一维狄拉克振荡器有和没有质量项。实验装置的灵活性允许实施其他一维狄拉克型方程。

英文摘要:

We present the first experimental microwave realization of the one-dimensional Dirac oscillator, a paradigm in exactly solvable relativistic systems. The experiment relies on a relation of the Dirac oscillator to a corresponding tight-binding system. This tight-binding system is implemented as a microwave system by a chain of coupled dielectric disks, where the coupling is evanescent and can be adjusted appropriately. The resonances of the finite microwave system yields the spectrum of the one-dimensional Dirac oscillator with and without mass term. The flexibility of the experimental set-up allows the implementation of other one-dimensional Dirac type equations.

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