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Perturbed angular correlation spectra due to rotating electric field gradients

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Abstract

The literature on effects of time-dependent hyperfine interactions on perturbed angular correlation (PAC) spectra is dominated by analyses based on models of stochastically fluctuating interactions. The Floquet formalism offers a convenient alternative analysis when interactions have a harmonic time dependence. This is demonstrated in the present work through simulation of PAC spectra due to uniformly rotating electric field gradients (EFGs). Physically, this situation would arise when PAC tracers are embedded in molecules with inertial rotation velocities much larger than molecular collision rates, in which case reorientation of rotation axes would be negligible on the characteristic PAC timescale. The prospect for using PAC to study inertial properties of molecules is explored through simulations with molecules modeled as symmetric, rigid bodies.

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Acknowledgements

This work was supported in part by the Sabbatical Leave Program and the College of Arts and Sciences Professional Development Award at Northern Kentucky University.

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Authors and Affiliations

  1. Department of Physics, Geology, and Engineering Technology, Northern Kentucky University, Highland Heights, KY, 41099, USA

    Matthew O. Zacate

  2. Department of Chemistry, University of Copenhagen, 2100, København Ø, Denmark

    Lars Hemmingsen

Authors
  1. Matthew O. Zacate
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  2. Lars Hemmingsen
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Correspondence to Matthew O. Zacate.

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This article is part of the Topical Collection on Proceedings of the International Conference on Hyperfine Interactions (HYPERFINE 2021), 5-10 September 2021, Brasov, Romania

Edited by Ovidiu Crisan

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Zacate, M.O., Hemmingsen, L. Perturbed angular correlation spectra due to rotating electric field gradients. Hyperfine Interact 242, 56 (2021). https://doi.org/10.1007/s10751-021-01783-x

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  • DOI: https://doi.org/10.1007/s10751-021-01783-x

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