Linear response of one-dimensional liquid 4He to external perturbations
Abstract
We study the response of one-dimensional liquid 4He to weak perturbations relying on the dynamical structure factor, S(q,ω), recently obtained via ab-initio techniques [Phys. Rev. Lett. 116, 135302 (2016)]. We evaluate the drag force, Fv, experienced by an impurity moving along the system with velocity v and the static response function, (q), describing the density modulations induced by a periodic perturbation with wave vector q.
0
Turn this paper into a lesson
ArcXiv compiles a structured reading guide from this paper's metadata: plain-English importance, contributions, prerequisite concepts, which sections to read first, flashcards, and a quiz. Grounded in the abstract, never invented.