Energy conservation law in strong-field photoionization by circularly polarized light - Sorbonne Université Access content directly
Journal Articles Physical Review A Year : 2024

Energy conservation law in strong-field photoionization by circularly polarized light

Jonathan Dubois
Camille Lévêque
Richard Taïeb
Ulf Saalmann
Jan-Michael Rost

Abstract

We establish an energy conservation law for tunneling electrons driven by a circularly polarized light in a rotationally invariant potential. This conservation law emerges from the adiabaticity of the ionization process when described in the frame rotating with the laser field. It offers a clear picture of nonlinear phenomena observed in strong fields for initial states carrying a magnetic quantum number. It provides unambiguous sets of trajectories to model and interpret cutting-edge experiments using semiclassical approaches.
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hal-04420675 , version 1 (26-01-2024)

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Jonathan Dubois, Camille Lévêque, Jérémie Caillat, Richard Taïeb, Ulf Saalmann, et al.. Energy conservation law in strong-field photoionization by circularly polarized light. Physical Review A, 2024, 109 (1), pp.013112. ⟨10.1103/PhysRevA.109.013112⟩. ⟨hal-04420675⟩
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