Although the photon electric field is wide enough to satisfy , the electron fall within the interval of the x axis, so that the electron is ejected from the electric field space by the photon electric field, so that its displacement cannot reach .
Although the photon electric field is wide enough to satisfy , the electron fall within the interval of the x axis, so that the electron is ejected from the electric field space by the photon electric field, so that its displacement cannot reach .