TY  - RPRT
TI  - Steady-state two-level atomic population inversion via a quantized cavity field.
AU  - M Lindberg
AU  - CM Savage
PY  - 1988
DO  - 10.1103/physreva.38.5182
UR  - https://pubmed.ncbi.nlm.nih.gov/9900238/
ID  - 9900238
ER  -