E. Chitambar, A. Streltsov, S. Rana, M. N. Bera, G. Adesso, M. Lewenstein
Phys. Rev. Lett. 116, 070402
http://dx.doi.org/10.1103/PhysRevLett.116.070402
We introduce and study the task of assisted coherence distillation. This task arises naturally in bipartite systems where both parties work together to generate the maximal possible coherence on one of the subsystems.