Tomographic approach to the violation of Bell's inequalities for quantum states of two qutrits

TL;DR

This paper uses a tomographic approach to detect quantum correlations and Bell's inequality violations in two-qutrit states, demonstrating its effectiveness over recent alternative methods.

Contribution

It introduces a tomographic method for analyzing Bell's inequalities in two-qutrit states and compares its performance with a recent alternative approach.

Findings

Bell's inequalities are violated in a wide parameter domain.

The tomographic approach outperforms the Wu, Poulsen, and Molmer method.

Quantum correlations are effectively detected using the proposed method.

Abstract

The tomographic method is employed to investigate the presence of quantum correlations in two classes of parameter-dependent states of two qutrits. The violation of some Bell's inequalities in a wide domain of the parameter space is shown. A comparison between the tomographic approach and a recent method elaborated by Wu, Poulsen and Molmer shows the better adequacy of the former method with respect to the latter one.