Vacuum Polarization (and Zitterbewegung), Polaron, and Polariton.

1.Vacuum Polarization The elementary electric charge, e = 1.6 x 10^-19 C, is the shielded or renormalized value. The electron interacts with the vacuum via its electric field producing electron-positron pairs in the vacuum. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ …