TY - RPRT TI - Inseparability criterion for continuous variable systems AU - LM Duan AU - G Giedke AU - JI Cirac AU - P Zoller PY - 2000 DO - 10.1103/physrevlett.84.2722 UR - https://pubmed.ncbi.nlm.nih.gov/11017309/ ID - 11017309 ER -