59 citations · 189 across the 6 of their papers we have counts for
6 papers
Signatures of the orthogonality catastrophe in a coherently driven impurity
Haydn S. Adlong, Weizhe Edward Liu, Lincoln D. Turner +2
We consider a fixed impurity immersed in a Fermi gas at finite temperature. We take the impurity to have two internal spin states, where the state is assumed to interact…
Thermodynamic signatures of the polaron-molecule transition in a Fermi gas
Meera M. Parish, Haydn S. Adlong, Weizhe E. Liu +1
We consider the highly spin-imbalanced limit of a two-component Fermi gas, where there is a small density of impurities attractively interacting with a sea of $\uparro…
Quasiparticle lifetime of the repulsive Fermi polaron
Haydn S. Adlong, Weizhe Edward Liu, Francesco Scazza +5
We investigate the metastable repulsive branch of a mobile impurity coupled to a degenerate Fermi gas via short-range interactions. We show that the quasiparticle lifetime of this…
Radio-frequency response and contact of impurities in a quantum gas
Weizhe Edward Liu, Zhe-Yu Shi, Jesper Levinsen +1
We investigate the radio-frequency spectroscopy of impurities interacting with a quantum gas at finite temperature. In the limit of a single impurity, we show using Fermi's golden…
Theory of radio-frequency spectroscopy of impurities in quantum gases
Weizhe Edward Liu, Zhe-Yu Shi, Meera M. Parish +1
We present a theory of radio-frequency spectroscopy of impurities interacting with a quantum gas at finite temperature. By working in the canonical ensemble of a single impurity, w…
Variational approach for impurity dynamics at finite temperature
Weizhe Edward Liu, Jesper Levinsen, Meera M. Parish
We present a general variational principle for the dynamics of impurity particles immersed in a quantum-mechanical medium. By working within the Heisenberg picture and constructing…