Collective effects between multiple nuclear ensembles in an x-ray cavity-QED setup

Abstract

The setting of Moessbauer nuclei embedded in thin-film cavities has facilitated an aspiring platform for x-ray quantum optics as shown in several recent experiments. Here, we generalize the theoretical model of this platform that we developed earlier [Phys. Rev. A 88, 043828 (2013)]. The theory description is extended to cover multiple nuclear ensembles and multiple modes in the cavity. While the extensions separately do not lead to qualitatively new features, their combination gives rise to cooperative effects between the different nuclear ensembles and distinct spectral signatures in the observables. A related experiment by Roehlsberger et al. [Nature 482, 199 (2012)] is successfully modeled, the scalings derived with semiclassical methods are reproduced, and a microscopic understanding of the setting is obtained with our quantum mechanical description.

arXiv comment18 pages, 6 figures

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Cited by in corpus (15)

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• Green function formalism for resonant interaction of x-rays with nuclei in structured media
• Direct and secondary nuclear excitation with x-ray free-electron lasers
• Controlling core-hole lifetime through an x-ray planar cavity
• Inverse design of artificial two-level systems with Mössbauer nuclei in thin-film cavities
• Electromagnetically Induced Transparency with Superradiant and Subradiant states
• Quantum Nanophotonics with Energetic Particles:X-rays and Free Electrons
• Inverse design in nuclear quantum optics: From artificial x-ray multi-level schemes to spectral observables
• An x-ray quantum eraser setup for time-energy complementarity
• Superradiance and anomalous hyperfine splitting in inhomogeneous ensembles
• Excitation of narrow x-ray transitions in thin-film cavities by focused pulses
• Cavity Controls Core-to-Core Resonant Inelastic X-ray Scattering
• Configuration dependent reflection induced by dissipated localized modes