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Q: Fachverband Quantenoptik und Photonik

Q 38: Quantum Effects (QED) I

Q 38.4: Vortrag

Mittwoch, 11. März 2020, 14:45–15:00, f442

X-ray coherent control with nuclear resonances — •Adriana Pálffy and Xiangjin Kong — Max Planck Institute for Nuclear Physics, 69117 Heidelberg, Germany

The resonant interaction between x-ray photons and nuclei is one of the most exciting subjects of the burgeoning field of x-ray quantum optics [1]. A resourceful platform used so far are thin-film x-ray cavities with embedded layers or Mössbauer nuclei such as ⁵⁷Fe. Interesting physics was reported in such thin-film cavities with several nuclear layers. For instance, the first observation of Rabi oscillations of an x-ray photon between two resonant 57 Fe-layers embedded in two coupled cavities was predicted theoretically and confirmed experimentally [2].

Here we present a new quantum optical model based on the classical electromagnetic Green’s function that has been developed to investigate theoretically the nuclear response inside the x-ray cavity. The model is versatile and provides an intuitive picture about the influence of the cavity structure on the resulting spectra. Benchmarking with simulations using the semiclassical Parratt formalism and other semiclassical or quantum models is performed. In this context, we discuss our results for increasing complexity of layer structures.

[1] B. Adams et al., J. Mod. Opt. 60, 2 (2013).

[2] J. Haber et al., Nature Photonics 11, 720 (2017).