@article{oai:muroran-it.repo.nii.ac.jp:00009506,
 author = {OHTA,  Katsuhisa and 太田, 勝久},
 issue = {1},
 journal = {Journal of Mathematical Chemistry},
 month = {Jan},
 note = {application/pdf, The electron-electron interaction is eliminated in the expectation values of the electronic Hamiltonian for two-electron systems. The part of the Hamiltonian referring to the repulsive interaction is gauged away by the local phase of the complex wave functions, much like a gauge <br />eld transformation, thereby leading to a one-electron Hamiltonian. Despite the appearance of complex wave functions, the expectation values of the total momentum operator vanish and Lowdin's criterion holds for the stationary states.},
 pages = {98--104},
 title = {Gauging away the electron–electron interaction by the local phase of complex wave functions in two-electron systems},
 volume = {55},
 year = {2017},
 yomi = {オオタ, カツヒサ}
}