Inertia of two-qutrit entanglement witnesses

Published 20 Apr 2022 in quant-ph | (2204.09252v1)

Abstract: Entanglement witnesses (EWs) are a fundamental tool for the detection of entanglement. We investigate the inertias of bipartite EWs constructed by the partial transpose of NPT states. Furthermore, we find out most of the inertias of the patial transpose of the two-qutrit bipartite NPT states. As an application, we extend our results to high dimensional states.

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