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arxiv: 1406.4702 · v2 · pith:TUX2ANITnew · submitted 2014-06-18 · 🧮 math.PR · math-ph· math.MP

Structure of finite-RSB asymptotic Gibbs measures in the diluted spin glass models

classification 🧮 math.PR math-phmath.MP
keywords asymptoticdilutedezard-parisifinite-rsbgibbsmeasuresmodelscase
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We suggest a possible approach to proving the M\'ezard-Parisi formula for the free energy in the diluted spin glass models, such as diluted K-spin or random K-sat model at any positive temperature. In the main contribution of the paper, we show that a certain small modification of the Hamiltonian in any of these models forces all finite-RSB asymptotic Gibbs measures in the sense of the overlaps to satisfy the M\'ezard-Parisi ansatz for the distribution of spins. Unfortunately, what is still missing is a description of the general full-RSB asymptotic Gibbs measures. If one could show that the general case can be approximated by finite-RSB case in the right sense then one could a posteriori remove the small modification of the Hamiltonian to recover the M\'ezard-Parisi formula for the original model.

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