Coherence-enhanced optical determination of the ${}^{229}$Th isomeric transition

Abstract

The impact of coherent light propagation on the excitation and fluorescence of thorium nuclei in a crystal lattice environment is investigated theoretically. We find that in the forward direction the fluorescence signal exhibits characteristic intensity modulations dominated by an orders of magnitude faster, sped-up initial decay signal. This feature can be exploited for the optical determination of the isomeric transition energy. In order to obtain a unmistakable signature of the isomeric nuclear fluorescence, we put forward a novel scheme for the direct measurement of the transition energy via electromagnetically modified nuclear forward scattering involving two fields that couple three nuclear states.

11 pages, 2 figures; v2 updated to the published version (minor changed in text)

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• Towards a direct transition energy measurement of the lowest nuclear excitation in 229Th
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Cited by in corpus (21)

• Frequency ratio of the ${}^{229\mathrm{m}}$Th nuclear isomeric transition and the ${}^{87}$Sr atomic clock
• Nuclear clocks based on resonant excitation of gamma-transitions
• X-ray quantum optics with Mössbauer nuclei embedded in thin film cavities
• The ${}^{229}$Th isomer: prospects for a nuclear optical clock
• ${}^{229}{\mathrm{ThF}}_4$ thin films for solid-state nuclear clocks
• Radioluminescence and photoluminescence of Th:CaF${}_2$ crystals
• Alpha decay in intense laser fields: Calculations using realistic nuclear potentials
• Collective effects between multiple nuclear ensembles in an x-ray cavity-QED setup
• Laser-induced electronic bridge for characterization of the ${}^{229\mathrm{m}}\mathrm{Th}\to {}^{229\mathrm{g}}\mathrm{Th}$ nuclear transition with a tunable optical laser
• The electric quadrupole channel of the 7.8 eV ${}^{229}\mathrm{Th}$ transition
• Proposed Entanglement of X-ray Nuclear Polaritons as a Potential Method for Probing Matter at the Subatomic Scale
• Optomechanically induced transparency of x-rays via optical control
• All-Electromagnetic Control of Broadband Quantum Excitations Using Gradient Photon Echoes
• Internal conversion from excited electronic states of ${}^{229}\mathrm{T}h$ ions
• Prospects for measuring the 229Th isomer energy using a metallic magnetic microcalorimeter
• Field control of single x-ray photons in nuclear forward scattering
• ${}^{229}$Th Nuclear Spectroscopy in an Opaque Material: Laser-Based Conversion Electron Mössbauer Spectroscopy of ${}^{229}$ThO${}_2$
• Collective effects in ${}^{229}$Th-doped crystals
• Setting a disordered password on a photonic memory
• Quantum interference effects in an ensemble of ${}^{229}$Th nuclei interacting with coherent light
• Temporal dynamics of stimulated emission with applications in nuclear quantum optics