Many Body Theory for Quartets, Trions, and Pairs in Low Density Multi-Component Fermi-Systems

TL;DR

This paper develops a self-consistent many-body theoretical framework to describe low-density multi-component Fermi gases involving quartets, trions, and pairs, with applications to three-dimensional systems.

Contribution

It introduces a novel self-consistent approach specifically designed for complex multi-particle correlations in low-density Fermi gases.

Findings

Effective description of quartets, trions, and pairs in Fermi gases

Application to 3D low-density Fermi systems

Foundation for future experimental and theoretical studies

Abstract

A selfconsistent many body approach for the description of gases with quartets, trions, and pairs is presented. Applications to 3D Fermi systems at low density are discussed.