SciPost Physics

SciPost Phys. 12, 062 (2022) · published 16 February 2022

• doi: 10.21468/SciPostPhys.12.2.062
• pdf
• BiBTeX
• RIS
• Submissions/Reports
• 

Abstract

Correlated many-fermion systems emerge in a broad range of phenomena in warm dense matter, plasmonics, and ultracold atoms. Quantum hydrodynamics (QHD) complements first-principles methods for many-fermion systems at larger scales. We illustrate the failure of the standard Bohm potential central to QHD for strong perturbations when the density perturbation is larger than about $10^{-3}$ of the mean density. We then extend QHD to this regime via the \emph{many-fermion Bohm potential} from first-principles. This may lead to more accurate QHD simulations beyond their common application domain in the presence of strong perturbations at scales unattainable with first-principles methods.

• Moldabekov et al., Non-empirical Mixing Coefficient for Hybrid XC Functionals from Analysis of the XC Kernel
  J. Phys. Chem. Lett. 14, 1326 (2023) [Crossref]
• Dornheim et al., Analysing the dynamic structure of warm dense matter in the imaginary-time domain: theoretical models and simulations
  Phil. Trans. R. Soc. A. 381, 20220217 (2023) [Crossref]
• Moldabekov et al., Averaging over atom snapshots in linear-response TDDFT of disordered systems: A case study of warm dense hydrogen
  159, 014107 (2023) [Crossref]
• Dornheim et al., Energy response and spatial alignment of the perturbed electron gas
  158, 164108 (2023) [Crossref]
• Moldabekov et al., Linear-response time-dependent density functional theory approach to warm dense matter with adiabatic exchange-correlation kernels
  Phys. Rev. Research 5, 023089 (2023) [Crossref]
• Dornheim et al., Electronic density response of warm dense matter
  30, 032705 (2023) [Crossref]
• Moldabekov et al., Assessing the accuracy of hybrid exchange-correlation functionals for the density response of warm dense electrons
  158, 094105 (2023) [Crossref]
• Ramazanov et al., Ion core effect on transport characteristics in warm dense matter
  29, 112706 (2022) [Crossref]
• Moldabekov et al., Ab Initio Static Exchange–Correlation Kernel across Jacob’s Ladder without Functional Derivatives
  J. Chem. Theory Comput. 19, 1286 (2023) [Crossref]
• Svensson et al., Development of a new quantum trajectory molecular dynamics framework
  Phil. Trans. R. Soc. A. 381, 20220325 (2023) [Crossref]
• Dornheim et al., Effective electronic forces and potentials from ab initio path integral Monte Carlo simulations
  156, 244113 (2022) [Crossref]
• Moldabekov et al., Imposing correct jellium response is key to predict the density response by orbital-free DFT
  Phys. Rev. B 108, 235168 (2023) [Crossref]
• Dornheim et al., Electronic density response of warm dense hydrogen on the nanoscale
  Phys. Rev. E 108, 035204 (2023) [Crossref]
• Ramazanov et al., The Influence of the Effects of the Bound Electrons on the Ion Structural and Thermodynamic Properties
  IEEE Trans. Plasma Sci. 51, 1208 (2023) [Crossref]