TY - RPRT TI - Entanglement as a precondition for secure quantum key distribution. AU - Marcos Curty AU - Maciej Lewenstein AU - Norbert Lütkenhaus PY - 2004 DO - 10.1103/physrevlett.92.217903 UR - https://pubmed.ncbi.nlm.nih.gov/15245320/ ID - 15245320 ER -