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arXiv 0711.4846physics.atom-ph
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基态极性分子的碰撞控制与普适偶极散射

Collisional Control of Ground State Polar Molecules and Universal Dipolar Scattering

Christopher Ticknor

摘要:

我们探讨了短程相互作用对基态极性分子散射的影响,并在实验合理的能量和电场值范围内研究了从弱到强偶极散射的转变。在强偶极极限下,散射与由质量、诱导偶极矩和碰撞能量定义的无量纲量成比例。标度的影响,所有的量子力学偶极散射,因此,这个普遍的偶极标度提供了任何偶极系统的散射截面的估计。

英文摘要:

We explore the impact of the short range interaction on the scattering of ground state polar molecules, and study the transition from a weak to strong dipolar scattering over an experimentally reasonable range of energies and electric field values. In the strong dipolar limit, the scattering scales with respect to a dimensionless quantity defined by mass, induced dipole moment, and collision energy. The scaling has implications for all quantum mechanical dipolar scattering, and therefore this universal dipolar scaling provides estimates of scattering cross sections for any dipolar system.

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