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The n1/6n^{1/6} free-energy fluctuation scale of the low-temperature Sherrington-Kirkpatrick model, with a limiting law

Companion (fluctuation scale): for every fixed β>1\beta>1, sd(Fn)=n1/6+o(1)\mathrm{sd}(F_n)=n^{1/6+o(1)} and ∣Fn−EFn∣|F_n-\mathbb EF_n| is typically between n1/6−ηn^{1/6-\eta} and n1/6+ηn^{1/6+\eta}. Principal (limiting law): Var(Fn)/n1/3\mathrm{Var}(F_n)/n^{1/3} converges to a constant in (0,∞)(0,\infty), every moment of the n−1/6n^{-1/6}-rescaled completed free energy converges with a polynomial rate, exponential moments are uniformly bounded, and (Fn−EFn)/sd(Fn)(F_n-\mathbb EF_n)/\mathrm{sd}(F_n) converges along all nn to a nondegenerate law with mean 0 and variance 1, uniquely determined by its moments. The law is not identified with a named distribution and no formula for the variance constant is given.

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Prior state unknown→proved

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Occurred: Sep 24, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: unreviewed. Publication: announcement. AI contribution: ai-discovered. VibeMathed editorial classifications, scores, notes, relations, and dataset structure are CC BY 4.0. Source statements and linked content retain their own rights.

Canonical aliases: The $n^{1/6}$ free-energy fluctuation scale of the low-temperature Sherrington-Kirkpatrick model, with a limiting law · Low-temperature SK fluctuation scale

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The n1/6n^{1/6} free-energy fluctuation scale of the low-temperature Sherrington-Kirkpatrick model, with a limiting law evidence for this event

Companion (fluctuation scale): for every fixed β>1\beta>1, sd(Fn)=n1/6+o(1)\mathrm{sd}(F_n)=n^{1/6+o(1)} and ∣Fn−EFn∣|F_n-\mathbb EF_n| is typically between n1/6−ηn^{1/6-\eta} and n1/6+ηn^{1/6+\eta}. Principal (limiting law): Var(Fn)/n1/3\mathrm{Var}(F_n)/n^{1/3} converges to a constant in (0,∞)(0,\infty), every moment of the n−1/6n^{-1/6}-rescaled completed free energy converges with a polynomial rate, exponential moments are uniformly bounded, and (Fn−EFn)/sd(Fn)(F_n-\mathbb EF_n)/\mathrm{sd}(F_n) converges along all nn to a nondegenerate law with mean 0 and variance 1, uniquely determined by its moments. The law is not identified with a named distribution and no formula for the variance constant is given. parent of this event

The n1/6n^{1/6} free-energy fluctuation scale of the low-temperature Sherrington-Kirkpatrick model, with a limiting law parent of this event

Crisanti-Paladin-Sommers-Vulpiani (1992), Replica trick and fluctuations in disordered systems evidence for this event

Companion: The low-temperature Sherrington-Kirkpatrick fluctuation scale evidence for this event

VibeMathed record: The n1/6n^{1/6} free-energy fluctuation scale of the low-temperature Sherrington-Kirkpatrick model, with a limiting law evidence for this event

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