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quant-ph2007
Cross-Kerr effective Hamiltonian for a non-resonant four-level atom
Gary F. Sinclair, Natalia Korolkova
We derive a cross-Kerr type effective Hamiltonian for the four-level atom interacting with three electromagnetic fields in the N-configuration. When the atom has relaxed into the g…
quant-ph2007★ 24 cited
Cross-Kerr interaction in a four-level atomic system
Gary F. Sinclair, Natalia Korolkova
We derive the form of the cross-Kerr interaction in a four-level atomic system in the N-configuration. We use time-independent perturbation theory to calculate the eigenenergies an…