Вiдношення в’язкостi зсуву до густини ентропiї в гелiї

• Datum: 2018
• Hauptverfasser: Bar’yakhtar, V. G., Belokolos, E. D., Golubeva, O. N., Sukhanov, A. D.
• Format: Artikel
• Sprache: English
• Veröffentlicht: Publishing house "Academperiodika" 2018
• Online Zugang: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018424
• Назва журналу: Ukrainian Journal of Physics

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).