TY - RPRT TI - Numerical experiments on free-electron lasers without inversion. AU - Yuri Rostovtsev AU - Simeon Trendafilov AU - Alexander Artemiev AU - Kishore Kapale AU - Gershon Kurizki AU - Marlan O Scully PY - 2003 DO - 10.1103/physrevlett.90.214802 UR - https://pubmed.ncbi.nlm.nih.gov/12786560/ ID - 12786560 ER -