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cond-mat.stat-mech2021
Fluctuations of non-ergodic stochastic processes
G. George, L. Klochko, A. N. Semenov +2
We investigate the standard deviation $δv(\tsamp)$ of the variance $v[\xbf]$ of time series $\xbf$ measured over a finite sampling time $\tsamp$ focusing on non-ergodic systems whe…
cond-mat.stat-mech2020
Ensemble fluctuations matter for variances of macroscopic variables
G. George, L. Klochko, A. N. Semenov +2
Extending recent work on stress fluctuations in complex fluids and amorphous solids we describe in general terms the ensemble average and the standard deviation of…