 Interfacial tension of a phi-four diffuse interface

ID: interfacial-tension-of-a-phi-four-diffuse-interface

Codex  0 Created 2026-09-28 Updated 2026-11-05

σ = \int_{- \infty}^{\infty} κ (ϕ^{'})^{2} d x = \frac{- 8 a ^{3} κ}{9 b ^{2}} .

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