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physics.chem-ph2024
A Verbose Note on Density Functional Theory
Chang Liu
This note is intended for expanding the details on the derivation and properties of density functional theory, in hope to make them more systematic, better motivated, and step-by-s…
quant-ph2024
Generalized Loschmidt echo and information scrambling in open systems
Yi-Neng Zhou, Chang Liu
Quantum information scrambling, typically explored in closed quantum systems, describes the spread of initially localized information throughout a system and can be quantified by m…
quant-ph2024★ 10 cited
Deep thermalization in Gaussian continuous-variable quantum systems
Chang Liu, Qi Camm Huang, Wen Wei Ho
We uncover emergent universality arising in the equilibration dynamics of multimode continuous-variable systems. Specifically, we study the ensemble of pure states supported on a s…