@article{790891, author = {A Koller and M Beverland and Alexey Gorshkov and Ana Rey}, title = {Beyond the spin model approximation for Ramsey spectroscopy}, year = {2014}, number = {112}, month = {2014-03-26 00:03:00}, publisher = {Physical Review Letters}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=915063}, doi = {https://doi.org/10.1103/PhysRevLett.112.123001}, language = {en}, }