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- University of PaduaIT221 papers
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139 papers · 1 filter
Exciton-phonon scattering and photo-excitation dynamics in J-aggregate microcavities
P. Michetti, G. C. La Rocca
We have developed a model accounting for the photo-excitation dynamics and the photoluminescence of strongly coupled J-aggregate microcavities. Our model is based on a description…
Gap-Townes solitons and delocalizing transitions of multidimensional Bose-Einstein condensates in optical lattices
M. Salerno, F. Kh. Abdullaev, B. B. Baizakov
We show the existence of gap-Townes solitons for the multidimensional Gross-Pitaeviskii equation with attractive interactions and in two- and three-dimensional optical lattices. In…
Thermodynamically consistent Reference Interaction Site Model theory of the tangent diatomic fluid
G. Munao', D. Costa, C. Caccamo
Thermodynamic and structural properties of the tangent diatomic fluid are studied in the framework provided by the Reference Interaction Site Model (RISM) theory, coupled with a Mo…
Fermionized photons in an array of driven dissipative nonlinear cavities
Iacopo Carusotto, Dario Gerace, Hakan Tureci +3
We theoretically investigate the optical response of a one-dimensional array of strongly nonlinear optical microcavities. When the optical nonlinearity is much larger than both los…
Trap modulation spectroscopy of the Mott-insulator transition in optical lattices
H. Lignier, A. Zenesini, D. Ciampini +5
We introduce a new technique to probe the properties of an interacting cold atomic gas that can be viewed as a dynamical compressibility measurement. We apply this technique to the…
Evidence for two-gap nodeless superconductivity in SmFeAsOF from point-contact Andreev-reflection spectroscopy
D. Daghero, M. Tortello, R. S. Gonnelli +3
Point-contact Andreev-reflection measurements were performed in SmFeAsO_{0.8}F_{0.2} polycrystals with T_c \simeq 53 K. The experimental conductance curves reproducibly exhibit pea…