2 papers
cond-mat.quant-gas2018
Critical slowdown of non-equilibrium polaron dynamics
Kristian Knakkergaard Nielsen, Luis A. Peña Ardila, Georg M. Bruun +1
We study the quantum dynamics of a single impurity following its sudden immersion into a Bose-Einstein condensate. The ensuing formation of the Bose polaron in this general setting…
cond-mat.quant-gas2018
Bipolarons in a Bose-Einstein Condensate
A. Camacho-Guardian, L. A. Peña Ardila, T. Pohl +1
Mobile impurities in a Bose-Einstein condensate form quasiparticles called polarons. Here, we show that two such polarons can bind to form a bound bipolaron state. Its emergence is…