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Condensed matter and statistical physics

Collective behavior in quantum and classical many-body systems, including phases of matter, frustrated magnets, jamming, and critical scaling.

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Transformer wave functions support a gapless spin liquid in a frustrated magnet model

Viteritti, Rende, Parola, Goldt and Becca report numerical evidence for an intermediate gapless spin-liquid phase in the two-dimensional Shastry–Sutherland model, using transformer variational wave functions and extrapolations of order parameters and triplet excitation energies.

Read original source Original transformer wave-function study, revised April 2025arxiv.org

Original report: 2023-11-28

Parisi–Zamponi–Claude: an analytic proof of the jamming exponent identity

Parisi and Zamponi give an analytic proof of a+b=1 from the scaling full replica-symmetry-breaking equations for infinite-dimensional hard-sphere jamming. Together with the earlier relation b=(1+c)/2, it yields the scaling identities linking force, gap and overlap exponents.

Read original source Parisi–Zamponi: precise identity, assumptions and AI disclosurearxiv.org

Original report: 2026-06-02

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Collective behavior in quantum and classical many-body systems, including phases of matter, frustrated magnets, jamming, and critical scaling.

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Background review: 2026-10-13. Selected sources:

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