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Beyond the linear optics limit: quantum effects in a ultracold dilute cloud

Grant number: 19/02071-9
Support type:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): May 27, 2019
Effective date (End): July 26, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics - Atomic and Molecular Physics
Principal researcher:Romain Pierre Marcel Bachelard
Grantee:Tiago Santiago do Espirito Santo
Supervisor abroad: Robin Kaiser
Home Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Research place: Institut de Physique de Nice (INPHYNI), France  
Associated to the scholarship:18/12653-2 - Lieb-Robinson bounds and superradiance in ultracold atomic clouds, BP.DD


This project aims at investigating the intensity of the emitted far-field by dilute atomic clouds where the light-mediated long-range interaction predominates. Spontaneous emission and interference effects then play an important role, differently from subwavelength systems of Rydberg atoms, yet the multiple scattering of light allows for remote atoms to exhibit correlations. During this internship, the student will address this problem in the quantum optics case of high saturation and compare with experimental results to be obtained in Nice, France. (AU)

News published in Agência FAPESP Newsletter about the scholarship:

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CIPRIS, A.; MOREIRA, N. A.; DO ESPIRITO SANTO, T. S.; WEISS, P.; VILLAS-BOAS, C. J.; KAISER, R.; GUERIN, W.; BACHELARD, R. Subradiance with Saturated Atoms: Population Enhancement of the Long-Lived States. Physical Review Letters, v. 126, n. 10 MAR 12 2021. Web of Science Citations: 0.
DO ESPIRITO SANTO, T. S.; WEISS, P.; CIPRIS, A.; KAISER, R.; GUERIN, W.; BACHELARD, R.; SCHACHENMAYER, J. Collective excitation dynamics of a cold atom cloud. Physical Review A, v. 101, n. 1 JAN 14 2020. Web of Science Citations: 0.
GUERIN, W.; DO ESPIRITO SANTO, T. S.; WEISS, P.; CIPRIS, A.; SCHACHENMAYER, J.; KAISER, R.; BACHELARD, R. Collective Multimode Vacuum Rabi Splitting. Physical Review Letters, v. 123, n. 24 DEC 12 2019. Web of Science Citations: 1.

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