Quantum Quench Dynamics in an Exactly Solvable Two-Dimensional Non-Fermi Liquid System

2025/08/15 by Li, Hui, Chen, Run-Yu, Liu, Wen-Yuan +2
#FOS: Physical sciences #Strongly Correlated Electrons (cond-mat.str-el)

paper · doi:10.48550/arxiv.2508.11510

Abstract

Understanding the behavior of non-Fermi liquids (NFLs) is an important topic in condensed matter physics. Here we introduce an exactly solvable multi-orbital model based on iron oxypnictides and the Hatsugai-Kohmoto model, and provide exact investigations of the 2D NFLs nonequilibrium physics present in this model. Our results reveal fundamental departures from Fermi liquids and prior NFLs in the well-know SYK model: anomalous short-time scaling -τ² ln τ, O(τ) ∼ τ²; long-time scaling τ^-1, τ^-1/2, ln τ/ τ; a strange critical behavior in the steady-state phase diagram. Our asymptotic results and dynamical critical behavior offer new insights into the orbital-related dynamical physics of 2D NFLs.

Citations

• Universal quench dynamics of lattice q fermion Yukawa Sachdev-Ye-Kitaev model
• Probing Entanglement Dynamics in the SYK Model using Quantum Computers
• Thermalization of a Closed Sachdev-Ye-Kitaev System in the Thermodynamic Limit
• Electrical Transport in the Hatsugai-Kohmoto Model
• Bose metal in exactly solvable model with infinite-range Hatsugai-Kohmoto interaction
• Prethermalization and transient dynamics of the Multi-Channel Kondo systems under generic quantum quenches: Insights form Large-N Schwinger-Keldysh approach
• Doping a Mott Insulator: Physics of High Temperature Superconductivity

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