Abstract
The magnetic effect on the bound state induced by the laser pulse is investigated in strong-field ionization. We find that the interaction of magnetic field of the laser pulse with atoms causes a time-dependent energy shift of the bound state, and the energy shift depends on the magnetic quantum numbers of the electrons, which is the so-called Zeeman effect. This time-dependent energy shift adds an extra phase to the tunneling electron wave packets. By solving the three-dimensional time-dependent Schr\"odinger equation, we demonstrate that this extra phase results in a shift of the interference structure originating from the interference of short and long trajectories of the backward-rescattering photoelectrons. The shift of the interference structure is also confirmed by simulations with the three-step model beyond the dipole approximation.
Published Version
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