Author(s): F. Scazza, G. Valtolina, P. Massignan, A. Recati, A. Amico, A. Burchianti, C. Fort, M. Inguscio, M. Zaccanti, and G. Roati
Radio frequency spectroscopy measurements are used to determine the effective mass, energy, and decay rate of repulsive Fermi polaron quasiparticles that emerge from impurities in an ultracold Fermi gas.
[Phys. Rev. Lett. 118, 083602] Published Tue Feb 21, 2017