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Onsager: reciprocal relations in irreversible processes, Part I

Contribution grade

Thermodynamics and statistical mechanics · THEORY

Reference score300,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Derived symmetry relations between coupled linear irreversible fluxes and forces from microscopic reversibility and connected them to a generalized dissipation function.

Scientific scope

The record is the exact first 1931 Physical Review paper. Part II, Casimir’s extensions, Green–Kubo response relations, nonlinear nonequilibrium thermodynamics and experiments remain separate.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact first 1931 Physical Review paper. Part II, Casimir’s extensions, Green–Kubo response relations, nonlinear nonequilibrium thermodynamics and experiments remain separate.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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