TY - JOUR AU - Bar’yakhtar, V. G. AU - Belokolos, E. D. AU - Golubeva, O. N. AU - Sukhanov, A. D. PY - 2018/10/18 Y2 - 2024/03/29 TI - A Ratio of the Shear Viscosity to the Density of Entropy for Helium JF - Ukrainian Journal of Physics JA - Ukr. J. Phys. VL - 59 IS - 2 SE - Solid matter DO - 10.15407/ujpe59.02.0155 UR - https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018424 SP - 155 AB - <p>We have studied the ratio (n/s) of the shear viscosity&nbsp;n to the density of entropy&nbsp;s for helium as a function of the temperature and have established that the minimal value, (n/s)min, satisfies the Kovtun–Son–Starinets inequality, (n/s)min ≥ (h/4пkB).</p> ER -