Loss induced collective subradiant Dicke behaviour in a multiatom sample |
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Authors: | S?Nicolosi A?Napoli Email author" target="_blank">A?MessinaEmail author |
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Institution: | (1) MIUR and Dipartimento di Scienze Fisiche ed Astronomiche, Università di Palermo, INFM, via Archirafi 36, 90123 Palermo, Italy |
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Abstract: | The exact dynamics of N two-level atoms coupled to a
common electromagnetic bath and closely located inside a lossy
cavity is reported. Stationary radiation trapping effects are
found and very transparently interpreted in the context of our
approach. We prove that initially injecting one excitation only in
the N atoms-cavity system, loss mechanisms asymptotically drive
the matter sample toward a long-lived collective subradiant Dicke
state. The role played by the closeness of the N atoms with
respect to such a cooperative behavior is brought to light and
carefully discussed. |
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Keywords: | |
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