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Hybrid forms of beat phenomena in nuclear forward scattering of synchrotron radiation

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Abstract

In nuclear forward scattering (NFS) of synchrotron radiation, inter-resonance interference leads to a quantum beat (QB), and intra-resonance interference to a dynamical beat (DB). In general both interference processes determine the time evolution of NFS. Only in the case of far distant resonances the resulting interference pattern can be interpreted as a well distinguishable combination of QB and DB. Multiple scattering by near neighbouring resonances, by contrast, leads to a hybridisation of QB and DB. In particular, asymmetrical continuous distributions of resonances make QB and DB blend into a fast hybrid beat with thickness dependent period and distribution sensitive modulation.

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Authors and Affiliations

  1. II. Institut für Experimentalphysik, Universität Hamburg, D-22761, Hamburg, Germany E-mail

    Yu.V. Shvyd'ko

  2. Physik-Department E15, Technische Universität München, D-85748, Garching, Germany E-mail

    U. van Bürck

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  1. Yu.V. Shvyd'ko
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  2. U. van Bürck
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Shvyd'ko, Y., van Bürck, U. Hybrid forms of beat phenomena in nuclear forward scattering of synchrotron radiation. Hyperfine Interactions 123, 511–527 (1999). https://doi.org/10.1023/A:1017084209621

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