@article{6976, author = {Keith Burnett and John Cooper}, title = {Collisional redistribution of radiation. II. The effects of degeneracy on the equations of motion for the density matrix}, year = {1980}, journal = {Physical Review A}, volume = {22}, pages = {2027-2043}, month = {Jan-11-1980}, issn = {0556-2791}, doi = {10.1103/PhysRevA.22.2027}, }