SEARCH Articles Figures Tables Atom-centered charges Atom-centered point charges Center of charge Charge density atom-centered expansion Charge transfer centers Charge trapping centers Electron Population and Net Charge of Center Fragmentation charge center initiation Initial Charge Separation in the Reaction Center of Rhodobacter sphaeroides Nucleus The small, dense center of positive charge in an atom Periodic charge sequence centered Photosynthetic reaction center charge transfer band