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cond-mat.stat-mech2021★ 22 cited
Entropy growth during free expansion of an ideal gas
Subhadip Chakraborti, Abhishek Dhar, Sheldon Goldstein +2
To illustrate Boltzmann's construction of an entropy function that is defined for a microstate of a macroscopic system, we present here the simple example of the free expansion of…
cond-mat.stat-mech2021
Blast in a One-Dimensional Cold Gas: From Newtonian Dynamics to Hydrodynamics
Subhadip Chakraborti, Santhosh Ganapa, P. L. Krapivsky +1
A gas composed of a large number of atoms evolving according to Newtonian dynamics is often described by continuum hydrodynamics. Proving this rigorously is an outstanding open pro…