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Strange metals and black holes: insights from the Sachdev-Ye-Kitaev model

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arxiv 2305.01001 v6 pith:MQZNER3F submitted 2023-05-01 cond-mat.str-el hep-th

Subir Sachdev This is my paper · ORCID
classification cond-mat.str-elhep-th
keywords quantumblackholesmodelstrangeinsightsmany-particlemetals
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Complex many-particle quantum entanglement is a central theme in two distinct major topics in physics: the strange metal state found in numerous correlated electron compounds, and the quantum theory of black holes in Einstein gravity. The Sachdev-Ye-Kitaev model provides a solvable theory of entangled many-particle quantum states without quasiparticle excitations. This article reviews how this toy model has led to realistic universal models of strange metals, and to new insights on the quantum states of black holes.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The foot, the fan, and the cuprate phase diagram: Fermi-volume-changing quantum phase transitions

    cond-mat.str-el 2025-01 conditional novelty 3.0 of 10

    The paper attributes the cuprate 'foot' to a disordered spin-density-wave transition and the 'fan' to a disorder-tuned FL-to-FL* Fermi-volume-changing transition described by a two-dimensional Yukawa-SYK model.

  2. Entanglement entropy of fermions in a strange metal

    cond-mat.str-el 2026-08

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