A Ratio of the Shear Viscosity to the Density of Entropy for Helium

V. G. Bar’yakhtar; E. D. Belokolos; O. N. Golubeva; A. D. Sukhanov

doi:10.15407/ujpe59.02.0155

A Ratio of the Shear Viscosity to the Density of Entropy for Helium

Authors

V. G. Bar’yakhtar Institute for Magnetism, Nat. Acad. of Sci. of Ukraine
E. D. Belokolos Institute for Magnetism, Nat. Acad. of Sci. of Ukraine
O. N. Golubeva Peoples’ Friendship University of Russia
A. D. Sukhanov Joint Institute for Nuclear Research

DOI:

https://doi.org/10.15407/ujpe59.02.0155

Keywords:

Helium, ratio of the shear viscosity to the density of entropy, Kovtun–Son–Starinets inequality

Abstract

We have studied the ratio (n/s) of the shear viscosity n to the density of entropy 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).

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Published

2018-10-18

How to Cite

Bar’yakhtar, V. G., Belokolos, E. D., Golubeva, O. N., & Sukhanov, A. D. (2018). A Ratio of the Shear Viscosity to the Density of Entropy for Helium. Ukrainian Journal of Physics, 59(2), 155. https://doi.org/10.15407/ujpe59.02.0155

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Issue

Vol. 59 No. 2 (2014)

Section

Solid matter

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