Atomic Physics with Lasers

. 这个普通物理学的目标是研究原子的电子结构。 将开发创新的光谱技术来测量原子特性，例如Li+的精细/超精细结构间隔，以前所未有的精度;分别为一个和两个数量级。 这将为我们对三体系统的理解提供世界上最严格的测试。 将检验量子电动力学（QED）理论，并研究分辨率为10^-18米的核尺寸。 这种“显微镜”的分辨率比从原子核散射电子所获得的分辨率高100倍。 量子电动力学效应，如兰姆位移，与核电荷的最低阶四次方成正比。 因此，这些效应在锂中比在氢中大2个数量级。 此外，最近的理论进展使计算的状态波函数的几个电子原子，以前所未有的精度。

. The objective of this General Physics proposal is to study the electronic structure of atoms. Innovative spectroscopic techniques will be developed to measure atomic properties such as the fine/hyperfine structure intervals of Li+ to unprecedented accuracy; by one and two orders of magnitude, respectively. This will provide the world's most stringent test of our understanding of a three body system. Quantum Electrodynamic (QED) theory will be checked and nuclear sizes at a resolution of 10^-18 meter will be investigated. This "Microscope" has 100 times higher resolution than is achieved scattering electrons off nuclei. QED effects such as the Lamb shift are proportional to lowest order to the fourth power of the nuclear charge. Hence, these effects are 2 orders of magnitude larger in lithium than in hydrogen. In addition, recent theoretical advances enable the computation of state wavefunctions of few electron atoms to unprecedented accuracy.