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physics.plasm-ph2026
Kinetic energy from the cubic sum rule of the dynamic structure factor
Fotios Kalkavouras, Panagiotis Tolias, Sebastian Schwalbe +6
The third frequency moment sum rule of the dynamic structure factor is explored for the first time as an alternative estimator of the kinetic energy of quantu…
physics.plasm-ph2024★ 3 cited
Dynamic properties of the warm dense uniform electron gas with the qSTLS dielectric scheme
Panagiotis Tolias, Fotios Kalkavouras, Tobias Dornheim +1
The recently derived Fourier--Matsubara expansion of imaginary--time correlation functions comprises an exact result of linear response theory for finite-temperature quantum many-b…