Jianghui Yu

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quant-ph2026

Higher-Order Corrections to Scrambling Dynamics in Brownian Spin SYK Models

Tingfei Li, Miao Wang, Jianghui Yu

We investigate operator growth in a Brownian spin Sachdev--Ye--Kitaev (SYK) model with random all-to-all interactions, focusing on the full operator-size distribution. For Hamilton…

quant-ph2026

Graph-Theoretic Analysis of $n$ -Replica Time Evolution in the Brownian Gaussian Unitary Ensemble

Tingfei Li, Jianghui Yu

In this paper, we investigate the $n$ -replica time evolution operator $U_{n} (t) \equiv e^{L_{n} t}$ for the Brownian Gaussian Unitary Ensemble (BGUE) using a graph-t…

Higher-Order Corrections to Scrambling Dynamics in Brownian Spin SYK Models

Graph-Theoretic Analysis of n-Replica Time Evolution in the Brownian Gaussian Unitary Ensemble

Graph-Theoretic Analysis of $n$ -Replica Time Evolution in the Brownian Gaussian Unitary Ensemble