Abstract
As demonstrated earlier, the mode-coupling approach taking into account the interaction between shear dynamic modes and soft density fluctuations gives the expression for shear viscosity in good agreement with the viscosity of various liquids at low temperatures. The corresponding relations for shear and bulk viscosities of a hard-sphere fluid are more careful studied in this work. The hard-sphere fluid is the simplest nontrivial example of the system having liquid-solid transition. It can be studied by molecular dynamics allowing accurate calculations of all the necessary parameters. It is demonstrated that the mode-coupling expressions for viscosities agree well with the simulation results.
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