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Showing 1–4 of 4 results
Advanced filters: Author: Simon Stellmer Clear advanced filters

  • Solitons are encountered in a wide range of nonlinear systems, from water channels to optical fibres. They have also been observed in Bose–Einstein condensates, but only now have such ‘ultracold solitons’ been made to live long enough for their dynamical properties to be studied in detail.

    • Christoph Becker
    • Simon Stellmer
    • Klaus Sengstock
    Research
    Nature Physics
    Volume: 4, P: 496-501

  • Excitation to the second excited state of 229Th is used to populate the metastable state 229mTh, enabling accurate determination of the isomer’s energy, half-life and excitation linewidth.

    • Takahiko Masuda
    • Akihiro Yoshimi
    • Koji Yoshimura
    Research
    Nature
    Volume: 573, P: 238-242

  • The transition energy of the first excited state of 229Th to the ground state is determined through the measurement of internal conversion electrons to correspond to a wavelength of 149.7 ± 3.1 nanometres.

    • Benedict Seiferle
    • Lars von der Wense
    • Peter G. Thirolf
    Research
    Nature
    Volume: 573, P: 243-246