Geodesic
Quantum Integrable Multiatom Matter-Radiation Models With and Without the Rotating-Wave Approximation
Teoretičeskaâ i matematičeskaâ fizika, Tome 144 (2005) no. 1, pp. 110-121

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New integrable multiatom matter-radiation models with and without the rotating-wave approximation (RWA) are constructed and exactly solved via the algebraic Bethe ansatz. The models with the RWA are generated using the ancestor model approach in a unified way. The rational case yields the standard type of matter-radiation models, while the trigonometric case corresponds to their q-deformations. The models without the RWA are obtained from the elliptic case in the limit of the Gaudin model and high spin.
Keywords: integrable multiatom models, rotating-wave approximation, matter-radiation interaction. 
@article{TMF_2005_144_1_a11,
     author = {A. Kundu},
     title = {Quantum {Integrable} {Multiatom} {Matter-Radiation} {Models} {With} and {Without} the {Rotating-Wave} {Approximation}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {110--121},
     publisher = {mathdoc},
     volume = {144},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2005_144_1_a11/}
}
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A. Kundu. Quantum Integrable Multiatom Matter-Radiation Models With and Without the Rotating-Wave Approximation. Teoretičeskaâ i matematičeskaâ fizika, Tome 144 (2005) no. 1, pp. 110-121. http://geodesic.mathdoc.fr/item/TMF_2005_144_1_a11/