TY - RPRT TI - Quantum tunneling using discrete-time operator difference equations. AU - CM Bender AU - F Cooper AU - JE O'Dell AU - Simmons aL Jr PY - 1985 DO - 10.1103/physrevlett.55.901 UR - https://pubmed.ncbi.nlm.nih.gov/10032478/ ID - 10032478 ER -