Generalized classes of continuous symmetries in two-mode Dicke models
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As recently realized experimentally [Léonard et al., Nature 543 , 87 (2017)], one can engineer models with continuous symmetries by coupling two cavity modes to trapped atoms, via a Raman pumping geometry. Considering specifically cases where internal states of the atoms couple to the cavity, we show an extended range of parameters for which continuous symmetry breaking can occur, and we classify the distinct steady states and time-dependent states that arise for different points in this extended parameter regime.
Moodie , R , Ballantine , K & Keeling , J M J 2018 , ' Generalized classes of continuous symmetries in two-mode Dicke models ' Physical Review. A, Atomic, molecular, and optical physics , vol 97 , no. 3 , 033802 . DOI: 10.1103/PhysRevA.97.033802
Physical Review. A, Atomic, molecular, and optical physics
© 2018, American Physical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://journals.aps.org/pra
K.E.B. and J.K. acknowledge support from EPSRC program “TOPNES” (EP/I031014/1).
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