Zobrazeno 1 - 10
of 175
pro vyhledávání: '"G Roati"'
Publikováno v:
New Journal of Physics, Vol 22, Iss 12, p 123006 (2020)
We provide a complete study of the phase diagram characterising the distinct dynamical regimes emerging in a three-dimensional Josephson junction in an ultracold quantum gas. Considering trapped ultracold superfluids separated into two reservoirs by
Externí odkaz:
https://doaj.org/article/87f87e1a07f54700aabe154c29a9d989
Autor:
P C M Castilho, F J Poveda-Cuevas, J A Seman, R F Shiozaki, G Roati, S R Muniz, D V Magalhães, V S Bagnato
Publikováno v:
New Journal of Physics, Vol 18, Iss 2, p 023014 (2016)
The study of the thermodynamic properties of trapped gases has attracted great attention during the last few years and can be used as a tool to characterize such clouds in the presence of other phenomena. Here, we obtain an equation of state for a ha
Externí odkaz:
https://doaj.org/article/d888131e917b49b5b6e23fc7ccd48a01
Autor:
G. Del Pace, K. Xhani, A. Muzi Falconi, M. Fedrizzi, N. Grani, D. Hernandez Rajkov, M. Inguscio, F. Scazza, W. J. Kwon, G. Roati
Publikováno v:
Physical Review X, Vol 12, Iss 4, p 041037 (2022)
Persistent currents in annular geometries have played an important role in disclosing the quantum phase coherence of superconductors and mesoscopic electronic systems. Ultracold atomic gases in multiply connected traps also exhibit long-lived supercu
Externí odkaz:
https://doaj.org/article/20227d8f70fb4e8caf16869a55895a7f
Autor:
Woo Jin Kwon, K. Xhani, A. Muzi Falconi, Luca Galantucci, Massimo Inguscio, G. Roati, F. Scazza, G. Del Pace
Publikováno v:
Nature. 600:64-69
In quantum fluids, the quantisation of circulation forbids the diffusion of a vortex swirling flow seen in classical viscous fluids. Yet, a quantum vortex accelerating in a superfluid may lose its energy into acoustic radiation, in a similar way an e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da6539899becffbbc33dcb4587308004
https://doi.org/10.1038/s41586-021-04047-4
https://doi.org/10.1038/s41586-021-04047-4
Akademický článek
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Akademický článek
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Akademický článek
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Autor:
F, Scazza, G, Valtolina, P, Massignan, A, Recati, A, Amico, A, Burchianti, C, Fort, M, Inguscio, M, Zaccanti, G, Roati
Publikováno v:
Physical review letters. 118(8)
We employ radio-frequency spectroscopy to investigate a polarized spin mixture of ultracold ^{6}Li atoms close to a broad Feshbach scattering resonance. Focusing on the regime of strong repulsive interactions, we observe well-defined coherent quasipa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::bf8d81324bc4e43de6acebb2cd92a1bc
https://pubmed.ncbi.nlm.nih.gov/28282175
https://pubmed.ncbi.nlm.nih.gov/28282175
Autor:
G. Bagnato, Kílvia Mayre Farias Magalhães, Sérgio Ricardo Muniz, Alexander L. Fetter, G. Roati, M. A. Caracanhas, Vanderlei Salvador Bagnato
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Journal of low temperature physics 166 (2012): 49–58. doi:10.1007/s10909-011-0409-2
info:cnr-pdr/source/autori:Caracanhas M. [ 1 ] ; Fetter A.L. [ 2,3 ] ; Muniz S.R. [ 1 ] ; Magalhaes K.M.F. [ 1 ] ; Roati G. [ 4,5 ] ; Bagnato G. [ 1 ] ; Bagnato V.S. [ 1 ]/titolo:Self-similar Expansion of the Density Profile in a Turbulent Bose-Einstein Condensate/doi:10.1007%2Fs10909-011-0409-2/rivista:Journal of low temperature physics/anno:2012/pagina_da:49/pagina_a:58/intervallo_pagine:49–58/volume:166
Universidade de São Paulo (USP)
instacron:USP
Journal of low temperature physics 166 (2012): 49–58. doi:10.1007/s10909-011-0409-2
info:cnr-pdr/source/autori:Caracanhas M. [ 1 ] ; Fetter A.L. [ 2,3 ] ; Muniz S.R. [ 1 ] ; Magalhaes K.M.F. [ 1 ] ; Roati G. [ 4,5 ] ; Bagnato G. [ 1 ] ; Bagnato V.S. [ 1 ]/titolo:Self-similar Expansion of the Density Profile in a Turbulent Bose-Einstein Condensate/doi:10.1007%2Fs10909-011-0409-2/rivista:Journal of low temperature physics/anno:2012/pagina_da:49/pagina_a:58/intervallo_pagine:49–58/volume:166
In a recent study we demonstrated the emergence of turbulence in a trapped Bose-Einstein condensate of Rb-87 atoms. An intriguing observation in such a system is the behavior of the turbulent cloud during free expansion.The aspect ratio of the cloud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72bf5fed5d2f6489d447b841497f3bb2
https://doi.org/10.1007/s10909-011-0409-2
https://doi.org/10.1007/s10909-011-0409-2
Autor:
G. Roati, Marco Fattori, Chiara D'Errico, Matteo Zaccanti, B. Deissler, Giovanni Modugno, Stefan Müller, Massimo Inguscio, M. Jona-Lasinio
Publikováno v:
Nature Physics
In 1970 V. Efimov predicted a puzzling quantum-mechanical effect that is still of great interest today. He found that three particles subjected to a resonant pairwise interaction can join into an infinite number of loosely bound states even though ea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f835cdb53ec608f0a62fa0f443da7c23
https://doi.org/10.1038/nphys1334
https://doi.org/10.1038/nphys1334