Answers are grounded in this paper and cite their sources.
For a two-body atom in a temporally periodic, spatially uniform field, it is shown that in an appropriate gauge the essential spectrum of the Floquet Hamiltonian rotates about a certain set of thresholds when subjected to a complex scaling transformation.
No takes yet. Share an insight, caveat, or question.
James S. Howland (1983) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: