Universal moments of accelerations in two-dimensional turbulence

Igor V Kolokolov; Maria M Kostenko

doi:10.1103/PhysRevE.101.033108

Universal moments of accelerations in two-dimensional turbulence

Phys Rev E. 2020 Mar;101(3-1):033108. doi: 10.1103/PhysRevE.101.033108.

Authors

Igor V Kolokolov^{1

2}, Maria M Kostenko^{1

3}

Affiliations

¹ L.D. Landau Institute for Theoretical Physics, Ak. Semenova 1-A, Chernogolovka 142432, Moscow region, Russia.
² National Research University Higher School of Economics, Myasnitskaya 20, Moscow 101000, Russia.
³ Department of Physics, Saint Petersburg State University, 7/9 Universitetskaya embankment, Saint Petersburg 199034, Russia.

PMID: 32289923
DOI: 10.1103/PhysRevE.101.033108

Abstract

We consider two-dimensional turbulence in the presence of a condensate. The nondiagonal correlation functions of the Lagrangian accelerations are calculated, and it is shown that they have the same universality properties as the nondiagonal correlation functions of the velocity fluctuations.