@article{2387, author = {Ana Maria Rey and Alexey Gorshkov and C. Rubbo}, title = {Many-Body Treatment of the Collisional Frequency Shift in Fermionic Atoms}, year = {2009}, journal = {Physical Review Letters}, volume = {103}, month = {2009-12}, issn = {0031-9007}, url = {http://link.aps.org/doi/10.1103/PhysRevLett.103.260402}, doi = {10.1103/PhysRevLett.103.260402}, }