Exactly solvable Russian-doll model: Renormalization-group cycles meet fractality

arXiv:2603.17674 · cond-mat.stat-mech, hep-th, quant-ph · Submitted 2026-03-18 · Read on arXiv

cond-mat.stat-mech, hep-th, quant-ph

Submitted: 2026-03-18

Updated: 2026-09-22

Terminology

• Bethe Ansatz — 8× in this paper
• Russian Doll — 8× in this paper
• Hilbert Space — 4× in this paper · explained in 2 episodes
• Limit Cycles — 2× in this paper · explained in 2 episodes
• Quantization — 2× in this paper · explained in 12 episodes
• Symmetry Breaking — 2× in this paper · explained in 3 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes

Sources

• Hilbert space geometry and quantum chaos
• Emergent multifractality in power-law decaying eigenstates
• Theta-term in Russian Doll Model: phase structure, quantum metric and BPS multifractality
• Supersymmetric vacua and Bethe ansatz

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