Exact solution for specific mass ratios in 1D alternating-mass elastic chain shows ballistic shock-front motion via staggered triplet dynamics instead of hydrodynamic scaling.
Note that for m = 2, α is much smaller than γ, which means that the increase of the latter sum is much slower than that of ∑ l≥ 0 ml|ul(t)|
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Staggering domino-like blast front motion in a one-dimensional cold gas
Exact solution for specific mass ratios in 1D alternating-mass elastic chain shows ballistic shock-front motion via staggered triplet dynamics instead of hydrodynamic scaling.