Path integral treatment of systems with general memory : application to the Bose polaron problem

Source
Antwerpen, Universiteit Antwerpen, Faculteit Wetenschappen, Departement Fysica, 2022,220 p.

General memory kernels and further corrections to the variational path integral approach for the Bogoliubov-Frohlich Hamiltonian

Source
Physical review B - ISSN 2469-9950-105:10 (2022) p.