Research profile

Krylov Complexity and Operator Growth

Krylov 基底中的算符增长、Lanczos 系数、热化、混沌、局域化以及开放/驱动体系动力学。

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Questions this profile tracks

  • When do Lanczos coefficients and Krylov complexity reliably distinguish chaos, integrability, and localization?
  • What controls complexity growth and saturation in closed, open, and periodically driven many-body systems?
  • How are autocorrelation functions, spectral measures, orthogonal polynomials, and operator growth connected?

Recent matches

近期入选

Crossover to Sachdev-Ye-Kitaev criticality in an infinite-range quantum Heisenberg spin glass

Hossein Hosseinabadi, Subir Sachdev, Jamir Marino, Hossein Hosseinabadi, Subir Sachdev, and Jamir Marino

88 /100

The paper studies how quantum fluctuations in a frustrated Heisenberg spin glass suppress ordering and produce a broad SYK-like quantum-spin-liquid regime with critical spin dynamics.

Limitations of SVD-Based Diagnostics for Non-Hermitian Many-Body Localization with Time-Reversal Symmetry

Huimin You, Jinghu Liu, Yunbo Zhang, and Zhihao Xu, Huimin You, Jinghu Liu, Yunbo Zhang, Zhihao Xu

88 /100

直接研究时间反演对称非厄米多体系统中的局域化转变,并比较 SVD 辅助诊断与原始非厄米本征态、纠缠和谱统计方法的可靠性。