导电微结构附近中性原子所受的力
Force on a neutral atom near conducting microstructures
摘要:
我们推导了两种不同几何条件下中性原子的非延迟能移。对于一个原子接近一个圆柱形的电线,我们找到一个积分表示的能量转移,给出渐近表达式,并插值数值。对于接近半无限半平面的原子,我们确定拉普拉斯方程的精确格林函数,并利用它导出原子任意位置的精确能量位移。这些结果可用于估计接近从衬底突出的蚀刻微结构的原子的能量移位。
英文摘要:
We derive the non-retarded energy shift of a neutral atom for two different geometries. For an atom close to a cylindrical wire we find an integral representation for the energy shift, give asymptotic expressions, and interpolate numerically. For an atom close to a semi-infinite halfplane we determine the exact Green's function of the Laplace equation and use it derive the exact energy shift for an arbitrary position of the atom. These results can be used to estimate the energy shift of an atom close to etched microstructures that protrude from substrates.
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