TY - JOUR
T1 - Scattering resonances and bound states for strongly interacting Rydberg polaritons
JF - Physical Review A
Y1 - 2014
A1 - P. Bienias
A1 - S. Choi
A1 - O. Firstenberg
A1 - Mohammad F. Maghrebi
A1 - Michael Gullans
A1 - M. D. Lukin
A1 - Alexey V. Gorshkov
A1 - H. P. Büchler
AB - We provide a theoretical framework describing slow-light polaritons interacting via atomic Rydberg states. We use a diagrammatic method to analytically derive the scattering properties of two polaritons. We identify parameter regimes where polariton-polariton interactions are repulsive. Furthermore, in the regime of attractive interactions, we identify multiple two-polariton bound states, calculate their dispersion, and study the resulting scattering resonances. Finally, the two-particle scattering properties allow us to derive the effective low-energy many-body Hamiltonian. This theoretical platform is applicable to ongoing experiments.
VL - 90
UR - http://arxiv.org/abs/1402.7333v1
CP - 5
J1 - Phys. Rev. A
U5 - 10.1103/PhysRevA.90.053804
ER -