Search results for "Joseph"
showing 10 items of 195 documents
Josephson junctions and superconducting field effect transistors based on epitaxial Bi2Sr2Can-1CunO2(n+2) thin films
1998
Abstract Josephson junctions based on thin films of the Bi2Sr2Ca2Cu3O10+δ compound show IcRn products compatible with YBa2Cu3O7−δ samples. Using quasiparticle tunneling experiments we found evidence for a superconductor–insulator–superconductor tunneling process via localized states in the barrier. The Bi2Sr2CaCu2O8+δ compound is investigated regarding possible applications in superconducting field effect devices. We present thin films of four unit cells thickness that are superconducting at 58 K. An inverted metal–insulator–superconductor structure was prepared. From the modulation of the normal state resistance we estimate a carrier density of 7×1019 cm−3 for a superconducting sample. The…
La stereotomia nella cattedra di Architettura statica di Carlo Giachery
2014
La scuola di architettura di Palermo, sin dalla sua fondazione nel 1779, con la creazione della cattedra di Architettura civile affidata a Giuseppe Venanzio Marvuglia, era divenuta inevitabilmente il luogo di verifica e talvolta di esplorazione dei temi legati alla pratica professionale e, quindi, all’arte del costruire. Giachery, Professore di Architettura statica e civile dal 1837 al 1865, è il primo ad avvertire, da docente, la crisi profonda del sistema didattico della scuola di architettura di Palermo isterilita dalla ricerca di astratte idealità neoclassiche e straniatasi dal processo evolutivo della cultura architettonica europea dopo la morte dei “maestri” Marviglia e Gentile. Secon…
Der Völkerfrühling von 1848/1849 – revolutionäre Gefahr oder republikanischer Durchbruch? Ästhetisch-historische Bilder
2022
The aim of this article is to present the revolutionary events of 1848/1849 in German states from the point of view of Joseph von Eichendorff and Theodor Opitz, which are based on their refl ections, experiences and reactions to this political and breakthrough coup. Eichendorff and Opitz present two different views on the events of the Spring of Nations. These two intellectuals and writers are linked by the last letter from Eichendorff to Theodor Opitz as well as the ideal of freedom, which became their life motto.
L'ecomuseo del grano e del pane: un percorso progettuale centrato sul design
2018
La festa di S. Giuseppe, oltre che un’importante e sentita ricorrenza religiosa, è a Salemi soprattutto la “festa dei pani”; bellissime realizzazioni di alto artigianato artistico, la cui sapienza si tramanda nelle famiglie e nelle associazioni di donne che per mesi lavorano alla produzione dell’enorme quantità delle piccole e grandi forme di pane, per rivestire le costruzioni votive che accolgono il rito della cena. Nasce quindi l’idea di proporre un “Ecomuseo del grano e del pane” nel Collegio dei Gesuiti, valorizzando e riaprendo al pubblico uno spazio di grande interesse storico-architettonico. Nell’ambito della consolidata collaborazione del Comune di Salemi con il Dipartimento di Arch…
Noisy dynamics in long and short Josephson junctions
The study of nonlinear dynamics in long Josephson junctions and the features of a particular kind of junction realized using a graphene layer, are the main topics of this research work. The superconducting state of a Josephson junction is a metastable state, and the switching to the resistive state is directly related to characteristic macroscopic quantities, such as the current the voltage across the junction, and the magnetic field through it. Noise sources can affect the mean lifetime of this superconducting metastable state, so that noise induced effects on the transient dynamics of these systems should be taken into account. The long Josephson junctions are investigated in the sine-Gor…
Magnetically excited breather modes in an overlap-geometry Josephson tunnel junction
2022
A scheme for the controlled generation of single traveling sine- Gordon breathers in a long Josephson junction is described. In the presence of dissipation, a direct current source, and thermal fluctuations, the theoretical analysis shows that, through the nonlinear supratransmission effect, tailored magnetic pulses at the junction’s edge can effectively yield breather modes only.
Oltre la ricerca del Graal, il divenire del mito
2014
A mythologist's study of the Graal cultural tradition. Using Francesco Zambon's recent Metamorfosi del Graal as his starting point, the author undertakes an analysis on the importance of the Graal in Western mystical, philosophical and literary traditions throughout time, from the impact of the medieval Graal stories on the matière de Bretagne and beyond (Troyes, Boron), to the appeal of this myth in modern times, including its occurrence on Richard Wagner, Martin Heidegger, Simone Weil, Italo Calvino and Umberto Eco.
Josephson Traveling Wave Parametric Amplifiers as Non-Classical Light Source for Microwave Quantum Illumination
2021
Abstract Detection of low-reflectivity objects can be enriched via the so-called quantum illumination procedure. In order that this quantum procedure outperforms classical detection protocols, entangled states of microwave radiation are initially required. In this paper, we discuss the role of Josephson Traveling Wave Parametric Amplifiers (JTWPAs), based on circuit-QED components, as suitable sources of a two-mode squeezed vacuum state, a special signal-idler entangled state. The obtained wide bandwidth makes the JTWPA an ideal candidate for generating quantum radiation in quantum metrology and information processing applications.
«Bella mia fiamma, addio / Resta, o cara» tra Jommelli e Mozart: osservazioni e ipotesi sull’aria K. 528
2012
Mozart wrote the scena and aria K. 528 in Prague in 1787 for the singer Josepha Duschek. As previously known, this wonderful page is based on a text taken from “Cerere placata”, a “festa teatrale” created in Naples in 1772 by the man of letters and scientist Michele Sarcone and the renowned “maestro di cappella” Niccolò Jommelli to celebrate the birth of the first daughter of king Ferdinand IV of Bourbon. The article reconstructs in detail the circumstances of the Neapolitan performance, and shows that Jommelli’s setting of Titano’s recitative and aria “Bella mia fiamma, addio” / “Resta, o cara; acerba morte” enjoyed a large success and circulated as an autonomous piece. A comparison betwee…
A bas les pères : Joseph Déjacque, liberté, antiautoritarisme
2016
International audience