Davis et al, 2005, Spin-system radio-frequency superradiation: A phenomenological study and comparison with numeric simulations
Reference
Davis, C. L.,
Henner, V. K.,
Tchernatinsky, A. V.,
&
Kaganov, I. V.
Spin-system radio-frequency superradiation: A phenomenological study and comparison with numeric simulations. Physical Review B, 72 (2005).

