标题： 横向卡西米尔-波尔德力与起伏表面 显示英文标题

标题： Lateral Casimir-Polder force with corrugated surfaces

摘要： 我们推导了在起伏表面上方的基态原子上的横向卡西米尔-波尔德力，直至起伏振幅的一阶。 我们的计算基于散射方法，该方法考虑了入射到实际材料上的电磁量子涨落的非镜面反射和极化混合。 我们将一阶精确结果与两种常用的近似方法进行了比较。 我们表明，接近力近似（大起伏波长）高估了横向力，而成对求和方法由于色散力的非可加性而低估了该力。 我们认为，对冷原子偶极横向振荡的频率偏移测量可以提供对量子真空中非平凡几何效应的显著演示。 显示英文摘要

摘要： We derive the lateral Casimir-Polder force on a ground state atom on top of a corrugated surface, up to first order in the corrugation amplitude. Our calculation is based on the scattering approach, which takes into account nonspecular reflections and polarization mixing for electromagnetic quantum fluctuations impinging on real materials. We compare our first order exact result with two commonly used approximation methods. We show that the proximity force approximation (large corrugation wavelengths) overestimates the lateral force, while the pairwise summation approach underestimates it due to the non-additivity of dispersion forces. We argue that a frequency shift measurement for the dipolar lateral oscillations of cold atoms could provide a striking demonstration of nontrivial geometrical effects on the quantum vacuum.