Electronic pair alignment and roton feature in the warm dense electron gas

Abstract The study of matter under extreme densities and temperatures as they occur, for example, in astrophysical objects nuclear fusion applications has emerged one the most active frontiers physics, material science, related disciplines. In this context, a key quantity is given by dynamic structure factor S ( q , ω ), which probed scattering experiments—the widely used method diagnostics at these conditions. addition to its importance warm dense matter, modelling such properties correlated quantum many-body systems constitutes an important theoretical challenge. Here, we report roton feature ) electron gas, introduce microscopic explanation terms electronic pair alignment model. Our results will have direct impact on interpretation experiments may provide insights into dynamics number ultracold helium, dipolar supersolids, bilayer heterostructures.