General memory kernels and further corrections to the variational path integral approach for the Bogoliubov-Fröhlich Hamiltonian
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.104304
Abstract: The celebrated variational path integral approach to the polaron problem shows remarkable discrepancies with diagrammatic Monte Carlo for the Bogoliubov-Fr¨ohlich Hamiltonian which describes an impurity weakly coupled to a Bose condensed atomic gas. It has… read more here.
Keywords: path integral; variational path; bogoliubov; approach ... See more keywords