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Signatures of quantum correlations in cooperative spontaneous emission

Grant number: 19/21553-4
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): July 01, 2020
Effective date (End): June 30, 2021
Field of knowledge:Physical Sciences and Mathematics - Physics - Atomic and Molecular Physics
Principal researcher:Celso Jorge Villas-Bôas
Grantee:Carlos Eduardo Máximo
Supervisor abroad: Ana Maria Rey
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Research place: University of Colorado Boulder, United States  
Associated to the scholarship:17/13250-6 - Many-body non-classical signatures in cold atoms fluorescence, BP.PD


In this research project abroad, we intend to detect non-classical many-body signatures in the cooperative spontaneous emission process. Building from a renormalization scheme developed in Brazil, we will investigate the differences between classical, semi-classical and fully-quantum models of many-atom radiation. Nontrivial analytical solutions will be derived for the dynamics of two-body correlations, which are expected to exhibit an explicit dependence on initial conditions. These solutions allow us to identify intrinsic fingerprints of entanglement in the total power radiated from cold atomic clouds, which must be absent in semi-classical and fully-classical models. Our study is not only important at the fundamental level since it will shed light on the behavior of complex many-body systems but also for the future development of quantum technologies for which atom-light interactions are key.

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