Even–odd harmonics generated from above-threshold ionization
We are reporting a theoretical prediction: The photoelectrons forming above-threshold-ionization (ATI) peaks emit both even and odd harmonics. These harmonics exhibit plateau and cut-off features similar to those odd-only harmonics observed in ATI experiments.
strong-field laser physics / above-threshold inoization / high harmonic generation / even–odd harmonics / nonperturbative quantum electrodynamics
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