Controlled hole doping of a Mott insulator of ultracold fermionic atoms

TL;DR

This paper proposes a robust method to simulate the t-J model with controlled hole doping using ultracold atoms in optical lattices, aiming to shed light on high-temperature superconductor physics.

Contribution

It introduces a simple experimental scheme for controlled hole doping in ultracold atom systems to study strongly correlated electron models.

Findings

Proposed a feasible experimental setup for simulating the t-J model.

Enables investigation of hole doping effects in Mott insulators.

Facilitates exploration of phase transitions and inhomogeneity impacts.

Abstract

Considering a system of ultracold atoms in an optical lattice, we propose a simple and robust implementation of a quantum simulator for the homogeneous t-J model with a well-controlled fraction of holes x. The proposed experiment can provide valuable insight into the physics of cuprate superconductors. A similar scheme applied to bosons, moreover, allows one to investigate experimentally the subtle role of inhomogeneity when a system passes from one quantum phase to another.