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arXiv · 1612.04477

Collective induced superradiant lineshifts

Gray Putnam·Guin-Dar Lin·Susanne Yelin
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Abstract

Superradiant decay is accompanied by two kinds of collective lineshifts, an induced shift and the spontaneous "collective Lamb shift." Both form as sum of dipole-dipole interaction-induced level shifts between atoms in the system. We have developed a procedure to obtain numerical results on this model that self-consistently incorporates the shifts. The induced shift displays large non-zero values early in the system evolution. In addition, its effect on the superradiant system is studied: there is only a very small dephasing effect on the decay rate. While the induced shift is largely absent in not-too strongly driven systems, this parameter region might provide a good experimental regime for measuring the collective Lamb shift. These results can have important consequences for highly sensitive systems, such as quantum information science or atomic clocks.

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Gray Putnam, Guin-Dar Lin, Susanne Yelin. 2016-12-14. Collective induced superradiant lineshifts. https://arxiv.org/abs/1612.04477

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