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Coherent control of atom-diatom reactive scattering: isotopic variants of H + H_2 in three dimensions

机译:原子-硅藻反应散射的相干控制:H + H_2的三维同位素变体

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摘要

Control over reactive and non-reactive cross-sections in 3D atom-diatom scattering is shown to be possible using a superposition of non-degenerate ro-vibrational states of the target-diatomic molecule. Depending on the phase and magnitude of the coefficients which describe the initial superposition state, one can, through quantum interference, enhance or suppress the reactive or non-reactive scattering to predetermined product states. Fully converged 3D quantum computations reveal extensive control over the reactiveon-reactive branching ratios in the D + H_2 → DH + H and the H + H'D → HH' + D; HD + H' reactions, where H and H' denote hydrogen atoms which are considered distinguishable.
机译:使用目标透析分子的非简并旋转振动态的叠加,可以控制3D原子-硅藻土散射中的反应性截面和非反应性截面。取决于描述初始叠加状态的系数的相位和大小,可以通过量子干扰将反应性或非反应性散射增强或抑制到预定的乘积状态。完全收敛的3D量子计算揭示了对D + H_2→DH + H和H + H'D→HH'+ D中反应性/非反应性分支比的广泛控制。 HD + H'反应,其中H和H'表示被认为可区分的氢原子。

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