Erratum: Entanglement with negative Wigner function of almost 3,000 atoms heralded by one photon Robert McConnell, Hao Zhang, Jiazhong Hu, Senka C´uk & Vladan Vuletic´ Nature 519, 439–442 (2015); doi:10.1038/nature14293
In Fig. 2a of this Letter, the solid blue line in the linear plot was inadvertently removed during the production process; this figure has now been corrected in the online versions of the manuscript.
2 4 6 | N AT U R E | VO L 5 2 1 | 1 4 M AY 2 0 1 5 G2015