Resonant scattering effect in spectroscopies of interacting atomic gases

TL;DR

This paper introduces a model for understanding how quasiparticles interact with phonon-like modes in strongly interacting atomic gases, explaining experimental observations across various spectroscopic techniques for both fermionic and bosonic gases.

Contribution

It presents a novel theoretical model that captures the coupling between quasiparticles and gapless modes, unifying explanations for diverse spectroscopic phenomena in atomic gases.

Findings

Model successfully explains experimental spectroscopic features

Applicable to both fermionic and bosonic gases

Provides a unified framework for different spectroscopic methods

Abstract

We consider spectroscopies of strongly interacting atomic gases, and we propose a model for describing the coupling between quasiparticles and gapless phonon-like modes. Our model explains features in a wide range of different experiments in both fermionic and bosonic atom gases in various spectroscopic methods.