%0 Journal Article %1 Banerjee2023 %A Banerjee, Souvik %A Basteiro, Pablo %A Das, Rathindra Nath %A Dorband, Moritz %D 2023 %J J. High Energy Phys. %K a b %N 8 %P 104 %R 10.1007/JHEP08(2023)104 %T Geometric quantum discord signals non-factorization %U https://doi.org/10.1007/JHEP08(2023)104 %V 2023 %X We propose the information-theoretic quantity of geometric quantum discord (GQD) as an indicator of the factorization properties of a given quantum system. In particular, we show how non-vanishing discord implies that the corresponding partition function does not factorize, both for generic pure states and the thermofield double state as a state with a known geometric dual in light of the AdS/CFT correspondence. Via this analysis, we give a novel interpretation to the thermomixed double state as the best purely classical approximation of the Einstein-Rosen bridge. We connect the non-vanishing of GQD with the existence of wormhole microstates.

@article{Banerjee2023, abstract = {We propose the information-theoretic quantity of geometric quantum discord (GQD) as an indicator of the factorization properties of a given quantum system. In particular, we show how non-vanishing discord implies that the corresponding partition function does not factorize, both for generic pure states and the thermofield double state as a state with a known geometric dual in light of the AdS/CFT correspondence. Via this analysis, we give a novel interpretation to the thermomixed double state as the best purely classical approximation of the Einstein-Rosen bridge. We connect the non-vanishing of GQD with the existence of wormhole microstates.}, added-at = {2023-11-22T18:38:12.000+0100}, author = {Banerjee, Souvik and Basteiro, Pablo and Das, Rathindra Nath and Dorband, Moritz}, biburl = {https://www.bibsonomy.org/bibtex/2721710b6e03458c7145dbda2bcaeb893/ctqmat}, day = 17, description = {Geometric quantum discord signals non-factorization | Journal of High Energy Physics}, doi = {10.1007/JHEP08(2023)104}, interhash = {f216e8a839112fcecd96df29f2f5da40}, intrahash = {721710b6e03458c7145dbda2bcaeb893}, issn = {1029-8479}, journal = {J. High Energy Phys.}, keywords = {a b}, month = {08}, number = 8, pages = 104, timestamp = {2023-11-22T18:38:12.000+0100}, title = {Geometric quantum discord signals non-factorization}, url = {https://doi.org/10.1007/JHEP08(2023)104}, volume = 2023, year = 2023 }