262 citations · 1.7k across the 51 of their papers we have counts for
51 papers
Explicit proof of Anderson's orthogonality catastrophe for the one-dimensional Fermi polaron with attractive interaction
Giuliano Orso
We provide a fully analytical derivation of Anderson's orthogonality catastrophe for the one dimensional Fermi polaron integrable model, describing a system of spin-up fermions…
Downfolding a quantum many-body system: the quasi-1D Fermi polaron
Lovro Anto Barišić, Giuliano Orso, Frédéric Chevy +1
We investigate the properties of an impurity immersed in an ensemble of spin-polarized fermions confined in a tight quantum wire. We use a non-perturbative variational approach tha…
Quasi-particle residue and charge of the one-dimensional Fermi polaron
Giuliano Orso, Lovro Barišić, Ekaterina Gradova +2
We consider a mobile impurity coupled to an ideal Fermi gas in one spatial dimension through an attractive contact interaction. We calculate the quasi-particle residue exactly,…
Self-organized cavity bosons beyond the adiabatic elimination approximation
Giuliano Orso, Jakub Zakrzewski, Piotr Deuar
The long-time behavior of weakly interacting bosons moving in a two-dimensional optical lattice and coupled to a lossy cavity is investigated numerically via the truncated Wigner m…
Superfluid Fraction and Leggett Bound in a Density Modulated Strongly Interacting Fermi Gas at Zero Temperature
Giuliano Orso, Sandro Stringari
We calculate the superfluid fraction of an interacting Fermi gas, in the presence of a one-dimensional periodic potential of strength and wave-vector . Special focus is gi…
Achieving one-dimensionality with attractive fermions
F Chevy, G Orso
In this article we discuss the accuracy of effective one-dimensional theories used to describe the behavior of ultracold atomic ensembles confined in quantum wires by a harmonic tr…