. "1103883093"^^ . . . "Ponderomotive energy"@en . . . . . . . . . . . . . . . . . . . . "2871"^^ . . . . "8853472"^^ . "In strong-field laser physics, ponderomotive energy is the cycle-averaged quiver energy of a free electron in an electromagnetic field."@en . . "In strong-field laser physics, ponderomotive energy is the cycle-averaged quiver energy of a free electron in an electromagnetic field."@en .