Inelastic x-ray scattering reveals the ergodic to nonergodic transition of salol, a liquid with local order

@article{Comez2019InelasticXS,
  title={Inelastic x-ray scattering reveals the ergodic to nonergodic transition of salol, a liquid with local order},
  author={Lucia Comez and Daniele Fioretto and Jacek Gapiński and Giulio Monaco and Adam Patkowski and Werner Steffen},
  journal={Condensed Matter Physics},
  year={2019}
}
We have studied the high-frequency dynamics of salol by inelastic x-ray scattering over a wide temperature range between 50 and 450 K, across the glass transition. We find that salol efficiently realizes the mechanism of dynamical arrest described by the mode-coupling theory, as manifested by a cusp singularity in the behaviour of the non-ergodicity parameter and a $Q$ dependence of the critical non-ergodicity parameter that is in phase with the static structure factor. These results confront… 

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