论文部分内容阅读
Since the time of Rutherford (1911) physicists and chemists commonly believed that in the absence of an external electric field, the nucleus of an atom is at the center of the electron cloud, and all kinds of atoms do not have permanent electric dipole moment (EDM).Therefore, there is no polar atom in nature except for polar molecules.In fact, the idea is an untested hypothesis.This popular idea has been misled scientists till now.