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arXiv 0709.2735nlin.CD
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量子踢素数旋转体中的定域和离域

Localization and delocalization in the quantum kicked prime number rotator

Tao Ma

摘要:

量子踢素数旋转体(QKPR)是指能级为素数的旋转体。长时间行为由井涌周期$τ$和井涌强度$k$决定。当$\fracτ{2π}$是无理数时,QKPR是局部的,因为等分布定理。当$\fracτ{2π}$是有理数时,小$k$的QKPR是局部的,因为系统看起来像一个广义的踢二聚体模型。我们认为,合理的$\fracτ{2π}$ QKPR离域大k。

英文摘要:

The quantum kicked prime number rotator (QKPR) is defined as the rotator whose energy levels are prime numbers. The long time behavior is decided by the kick period $τ$ and kick strength $k$. When $\fracτ{2π}$ is irrational, QKPR is localized because of the equidistribution theorem. When $\fracτ{2π}$ is rational, QKPR is localized for small $k$, because the system seems like a generalized kicked dimer model. We argue for rational $\fracτ{2π}$ QKPR delocalizes for large k.

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