Spin dynamic response to a time dependent field
arXiv:2104.00499 · doi:10.1007/s00340-021-07673-y
Abstract
The dynamic response of a parametric system constituted by a spin precessing in a time dependent magnetic field is studied by means of a perturbative approach that unveils unexpected features, and is then experimentally validated. The first-order analysis puts in evidence different regimes: beside a tailorable low-pass-filter behaviour, a band-pass response with interesting potential applications emerges. Extending the analysis to the second perturbation order permits to study the response to generically oriented fields and to characterize several non-linear features in the behaviour of such kind of systems.
arXiv comment13 pages, 7 figures, 52 references. Accepted for publication in Applied Physics B
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