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Deexcitation spectroscopy of strongly interacting Rydberg gases

  Articoli su Riviste JCR/ISI  (anno 2017)

Autori:  Simonelli C., Archimi M., Asteria L., Capecchi D., Masella G., Arimondo E., Ciampini D., Morsch O

Affiliazione Autori:  Dipartimento di Fisica Enrico Fermi, Università di Pisa, Largo Bruno Pontecorvo 3, Pisa, 56127, Italy; INO-CNR, Via Giuseppe Moruzzi 1, Pisa, 56124, Italy; CNISM UdR, Dipartimento di Fisica Enrico Fermi, Università di Pisa, Largo Bruno Pontecorvo 3, Pisa, 56127, Italy; University of Strasbourg, 4 rue Blaise Pascal, Strasbourg, Cedex, 67081, France

Riassunto:  We present experimental results on the controlled deexcitation of Rydberg states in a cold gas of Rb atoms. The effect of the van der Waals interactions between the Rydberg atoms is clearly seen in the deexcitation spectrum and dynamics. Our observations are confirmed by numerical simulations. In particular, for off-resonant (facilitated) excitation we find that the deexcitation spectrum reflects the spatial arrangement of the atoms in the quasi-one-dimensional geometry of our experiment. We discuss future applications of this technique and implications for detection and controlled dissipation schemes.

Rivista/Giornale:  PHYSICAL REVIEW A
Volume n.:  96 (4)      Pagine da: 043411-1  a: 043411-6
Ulteriori informazioni:  640378. 265031. - The authors acknowledge support by the European Union H2020 FET Proactive project RySQ (Grant No. 640378) and by the EU Marie Curie ITN COHERENCE (Project No. 265031).
DOI: 10.1103/PhysRevA.96.043411


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