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Energy and momentum transfer in one-dimensional trapped gases by stimulated light scattering

  Articoli su Riviste JCR/ISI  (anno 2015)

Autori:  Fabbri N., Fort C., Modugno M., Rosi S., Inguscio M

Affiliazione Autori:  [1] LENS European Laboratory for Non-linear Spectroscopy, and Dipartimento di Fisica e Astronomia - Università di Firenze, I-50019 Sesto Fiorentino, Italy [2] CNR-INO Istituto Nazionale di Ottica, I-50019 Sesto Fiorentino, Italy [3] Dpto. de Fìsica Téorica e Historia de la Ciencia, Universidad del Paìs Vasco UPV/EHU, 48080 Bilbao, Spain [4] IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain [5] INRIM Istituto Nazionale di Ricerca Metrologica, I-10135 Torino, Italy

Riassunto:  In ultracold atoms settings, inelastic light scattering is a preeminent technique to reveal static and dynamic properties at nonzero momentum. In this work, we investigate an array of one-dimensional trapped Bose gases, by measuring both the energy and the momentum imparted to the system via light scattering experiments. The measurements are performed in the weak perturbation regime, where these two quantities-the energy and momentum transferred-are expected to be related to the dynamic structure factor of the system. We discuss this relation, with special attention to the role of in-trap dynamics on the transferred momentum.

Rivista/Giornale:  NEW JOURNAL OF PHYSICS
Volume n.:  17      Pagine da: 063012-1  a: 063012-9
Ulteriori informazioni:  The authors would like to acknowledge the BEC1 apparatus for its fifteen years of work and all the people-students, technicians, and researchers-who have contributed to this exciting period. We would like to acknowledge L Fallani for critical reading of the manuscript. This work has been supported by ERC through the Advanced Grant DISQUA (Grant 247371), and by EC through EU FP7 the Integrated Project SIQS (Grant 600645), Universidad del Pais Vasco/Euskal Herriko Unibertsitatea under Programs No. UFI 11/55, Ministerio de Economia y Competitividad through Grant No. FIS2012-36673-C03-03, and the Basque Government through Grant No. IT-472-10.
DOI: 10.1088/1367-2630/17/6/063012

*Impact Factor della Rivista: (2015) 3.570
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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