Epitaxial Strain Tuning of Er3+ in Ferroelectric Thin Films
[28]S. Ashhab, J. R. Johansson, A. M. Zagoskin, and F. Nori, Two-level systems driven by large-amplitude fields, Physical Review A - Atomic, Molecular, and Optical Physics75, 063414 (2007). [29]M. P. Silveri, J. A. Tuorila, E. V. Thuneberg, and G. S. Paraoanu, Quantum systems under frequency modulation, Reports on Progress in Physics80, 05...