 Gaussian fluctuation correction near a critical point

ID: gaussian-fluctuation-correction-near-a-critical-point

Codex  0 Created 2026-09-24 Updated 2026-09-24

For a quadratic kernel

K (t, k) \sim t + k^{2}

, the singular heat-capacity correction is proportional to

\int \frac{d ^{d} k}{( t + k ^{2} ) ^{2}} ≍ t^{d /2 - 2} .

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