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Electronic Temporal Texture in Quantum Matter (ETTQM)

Jincheng Zhang

Published Aug 19, 2026• 0 citations
Publisher

Abstract

The electronic properties of quantum materials are traditionally described by static or time‐averaged spatial distributions of charge density, typically represented as ρ(x). However, recent advances in ultrafast measurement techniques have revealed that electrons in these systems can also exhibit intricate temporal modulations that are correlated with their spatial configuration. This paper introduces the concept of electronic temporal texture (ETT), defined by the function T_e(t,x), which captures the time‐dependent amplitude and phase of electronic states at each spatial point. We develop a theoretical framework that extends conventional many‐body Hamiltonians to include a time‐dependent phase field, leading to modified equations of motion for the electronic density matrix. The resulting model predicts novel dynamical phenomena, such as time‐resolved charge density waves, ultrafast topological pumping, and non‐equilibrium spin textures that are inaccessible to static probes. We discuss how attosecond pump–probe spectroscopy and time‐resolved photoemission can test these predictions, and outline the implications for quantum information processing, where temporal coherence and controllable phase evolution are essential. The existence of ETT provides a new paradigm for engineering quantum matter, potentially unlocking pathways to higher temperature superconductivity, robust quantum transport, and ultrafast quantum devices.

DOI
10.5281/zenodo.22008257

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