Remote preparation of single photon vortex thermal statesT. Häffner, G. L. Zanin, R. M. Gomes, L. C. Céleri and P. H. Souto RibeiroEur. Phys. J. Plus, 135 7 (2020) 601DOI: https://doi.org/10.1140/epjp/s13360-020-00609-z