no code implementations • 26 Feb 2021 • Richard Schmidt, Tilman Enss
Here we present a solution of the Bose polaron problem beyond the Bogoliubov approximation which includes the local repulsion between bosons and thereby stabilizes the Bose polaron even near and beyond the scattering resonance.
Quantum Gases Quantum Physics
no code implementations • 10 Aug 2020 • Yuya Shimazaki, Clemens Kuhlenkamp, Ido Schwartz, Tomasz Smolenski, Kenji Watanabe, Takashi Taniguchi, Martin Kroner, Richard Schmidt, Michael Knap, Atac Imamoglu
The elementary optical excitations in two dimensional semiconductors hosting itinerant electrons are attractive and repulsive polarons -- excitons that are dynamically screened by electrons.
Mesoscale and Nanoscale Physics Strongly Correlated Electrons
