2025/07/30 by Q, Hermann L. Albrecht
#Applied Physics (physics.app-ph) #FOS: Physical sciences #Quantum Physics (quant-ph)
paper · doi:10.48550/arxiv.2507.23142
Although introduced originally for entanglement, quantum repeaters and swapping protocols have been analyzed for other quantum correlations (QC), such as quantum discord. Introduced by Mundarain and Ladrón de Guevara, local-available quantum correlations (LAQC) are a promising yet understudied quantum correlation. Recently, Bellor'ın et al. obtained exact analytical results for the LAQC quantifier of general 2-qubit X states. Starting from those previous results, we analyzed the LAQC swapping for five families of one-parameter 2-qubit X states. As expected, we find that if the initial state and the one used for the projective measurement are correlated, the final state will have non-zero LAQC.