TY JOUR TI Nature of the dipole Repeller KW dipole repeller KW primeval antimatter KW dark matter KW dark energy KW runaway paradox KW Sakharov model KW bimetric model KW negative mass KW Janus cosmological model JO Journal of Natural Sciences Research AU Zejlih, H.. AU Zejli, H.. PY 2023 IS 8 PB INFRA-M Academic Publishing LLC.