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Updated: Jun 16, 2026

Ultrasound Velocity Measurement in a Liquid Metal Electrode
Published on: August 5, 2015
Collective dynamics in a liquid polyvalent metal: liquid thallium at the melting point
1Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, 1 Svientsitskii Street, UA-79011 Lviv, Ukraine. bryk@icmp.lviv.ua
Abstract:
Collective dynamics in liquid thallium at the melting point in a wide range of wave numbers and frequencies is studied by molecular dynamics simulations and a theoretical analysis of time correlation functions within the approach of generalized collective modes. The heat fluctuations were explicitly treated in the theoretical scheme within the thermoviscoelastic dynamic model. We report dispersion and damping of generalized longitudinal sound excitations, nonhydrodynamic shear and heat waves, as well as wave number dependence of main relaxation processes. Generalized wave number-dependent thermodynamic quantities and transport coefficients in liquid Tl are discussed.
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