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Single Photon Superadiance and Subradiance as Collective Emission from Symmetric and Anti-Symmetric States
Version 1
: Received: 27 July 2023 / Approved: 28 July 2023 / Online: 28 July 2023 (11:31:46 CEST)
A peer-reviewed article of this Preprint also exists.
Piovella, N.; Olivares, S. Single-Photon Superradiance and Subradiance as Collective Emission from Symmetric and Anti-Symmetric States. Symmetry 2023, 15, 1817. Piovella, N.; Olivares, S. Single-Photon Superradiance and Subradiance as Collective Emission from Symmetric and Anti-Symmetric States. Symmetry 2023, 15, 1817.
Abstract
Recent works have shown that collective single photon spontaneous emission from an ensemble of N resonant two-level atoms is a rich field of study. Superradiance describes emission from a completely symmetric state of N atoms, with a single excited atom prepared with a given phase, for instance imprinted by an external laser. Instead, subradiance is associated with the emission from the remaining N−1 asymmetric states, with a collective decay rate less than the single-atom value. Here, we discuss the properties of the orthonormal basis of symmetric and asymmetric states and the entanglement properties of superradiant and subradiant states.
Keywords
collective scattering; cold atoms; superradiance; subradiance
Subject
Physical Sciences, Quantum Science and Technology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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