Introduces a fluid-cell projection to define soliton positions at finite density in KdV gases, proves it satisfies hydrodynamic properties and reproduces the 2003 kinetic equation without randomness.
Hydrodynamic noise in one dimension: projected kubo formula and how it vanishes in integrable models.SciPost Physics, 20(4):111, 2026
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Where solitons are in a KdV soliton gas
Introduces a fluid-cell projection to define soliton positions at finite density in KdV gases, proves it satisfies hydrodynamic properties and reproduces the 2003 kinetic equation without randomness.