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Experimental evidence for two different dynamical regimes in liquid rubidium
2017
EPJ Web of Conferences
We present evidence for changes in the dynamics of liquid rubidium with rising temperature. The thermal expansion of this liquid alkali metal shows a changing derivative with temperature in a temperature range of about 400-500 K. With neutron scattering the amplitude at the structure factor maximum demonstrates a changing slope with increasing temperature. A derived averaged structural relaxation time can be understood that an additional relaxation process sets in upon cooling. The deduced
doi:10.1051/epjconf/201715102002
fatcat:6qwinzlgevb7tear6uzljbhlem