N.
I.
Cummings
Sinha, K. ., Cummings, N. I., & Hu, B. L. (2012). Effect of interatomic separation on entanglement dynamics in a two-atom two-mode model. Journal of Physics B-Atomic Molecular and Optical Physics, 45. http://doi.org/10.1088/0953-4075/45/3/035503
Fleming, C. ., Cummings, N. I., Anastopoulos, C. ., & Hu, B. L. (2010). The rotating-wave approximation: consistency and applicability from an open quantum system analysis. Journal of Physics a-Mathematical and Theoretical, 43. http://doi.org/10.1088/1751-8113/43/40/405304
Fleming, C. H., & Cummings, N. I. (2011). Accuracy of perturbative master equations. Physical Review E, 83. http://doi.org/10.1103/PhysRevE.83.031117
Fleming, C. H., Cummings, N. I., Anastopoulos, C. ., & Hu, B. L. (2012). Non-Markovian dynamics and entanglement of two-level atoms in a common field. Journal of Physics a-Mathematical and Theoretical, 45. http://doi.org/10.1088/1751-8113/45/6/065301
Cummings, N. I., & Hu, B. L. (2008). Dynamics of atom-field entanglement: Towards strong-coupling and non-Markovian regimes. Physical Review A, 77. http://doi.org/10.1103/PhysRevA.77.053823