arXiv:quant-ph/0609187 · Chinese Physics Letters
Quantum Theory of Electronic Double-Slit Diffraction
Xiang-Yao Wu, Zhang Baijun, Haibo Li, Lu Jing-Bin, Xiao-Jing Liu, Li Wang, Zhang Chun-li, Liu Bing, Fan Xi-Hui, Guo Yi-Qing
Abstract
Phenomena of electron, neutron, atomic and molecular diffraction have been studied in many experiments, and these experiments have been explained by some theoretical works. We study electronic double-slit diffraction with a quantum mechanical approach and obtain the following results: (1) When the ratio of ( d + a )/ a = n ( n = 1,2,3,…), orders n ,2 n ,3 n ,… are missing in diffraction pattern. (2) When the ratio of ( d + a )/ a ≠ n ( n = 1,2,3,…), there is not missing order in diffraction pattern. (3) The slit thickness c has a large affect on the electronic diffraction pattern, which is a new quantum effect. We believe that all the predictions in our work can be tested by the electronic double slit diffraction experiment.