13 citations · 51 across the 18 of their papers we have counts for
5 papers · 2 filters
Exact replica-sector hierarchy of multi-resolvent correlations in random free fermions
Zhiqiang Huang
The spectral weight with which a many-body eigenstate contributes to a given channel is not fixed by the smooth one-point ETH envelope, and its higher-order correlations---the conn…
Beyond the ETH envelope: exact two-resolvent fluctuation structure, projected microscopic closure, and rigid versus nonperturbative sectors
Zhiqiang Huang
Eigenstate thermalization fixes the smooth energy-resolved envelope of few-body observables but not the microscopic overlap statistics that realize it. In the multi-resolvent hiera…
Information-geometric bounds on nonequilibrium relaxation in quantum Markov dynamics
Xiao-Kan Guo, Zhiqiang Huang
In this paper, we study the quantum information-geometric structure underlying short-time nonequilibrium relaxation in quantum Markov dynamics, and derive bounds on the nonequilibr…
A Multi-Resolvent Hierarchy for the ETH Smooth Function
Zhiqiang Huang
The eigenstate thermalization hypothesis (ETH) parametrizes off-diagonal matrix elements by a smooth function whose microscopic origin remains largely phenomenological. We develop…
Resolvent-Based Self-Consistent Framework with Hierarchical Correlation Expansion for Strongly Correlated Many-Body Systems
Zhi-qiang Huang, Qing-yu Cai
We develop a nonperturbative framework for generic nonintegrable many-body systems that reorganizes the expansion of diagonal Green's functions. Starting from exact projection iden…