Fisica
Immissioni Recenti
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Theoretical and phenomenological implications of fundamental principles in physics
(Universita degli studi di Salerno, 2020-02-04)The relentless quest for unraveling the true mechanisms that govern the Nature we observe and are part of have led physicists to rely on the adoption of fundamental principles. These assumptions have acted as a guiding ... -
Graphene/silicon Schottky diode
(Universita degli studi di Salerno, 2020-02-10)In this works we fabricated four graphene/silicon heterojunctions, which differ for structure and substrate type, and performed electrical and optical characterization. The first device was realized by depositing a layer ... -
Accurate mesurements of spectroscopic line parameters of atmospheric relevant molecules
(Universita degli studi di Salerno, 2017-07-14)This thesis deals with the development of frequency-stabilized laser absorption spectrometers in the near-infrared to perform precision measurements on molecular spectra of atmospheric interest, such as acetylene and carbon ... -
Metodologie didattiche per l'insegnamento-apprendimento della Fisica: studi di caso nella Scuola Secondaria di II grado
(Universita degli studi di Salerno, 2017-05-15)The present work focuses on case studies conducted from 2014 to 2016 in Secondary Schools in Campania where new teaching methodologies for teaching - Physical Learning have been experimented. Of these methodologies, ... -
La mostra "Divertiesperimenti" come ponte tra l'apprendimento informale e il formale nell'insegnamento della fisica nella scuola secondaria
(Universita degli studi di Salerno, 2017-05-23)The actual surveys highlight that teaching scientific disciplines it gives often-inadequate results, in Italy particularly, and it emerges that, in general, the educational aspects of the teaching of the Physics are not ... -
On neutrino mixing in Quantum Field Theory
(Universita degli studi di Salerno, 2017-05-23)Neutrino physics is one of the most important areas in research on the fundamental interactions, both theoretically and experimentally. A central issue in the study of these particles is related to the properties of mixing ... -
Crystal growth and physical properties of helimagnetic oxides
(Universita degli studi di Salerno, 2017-07-13)This work is focused on two helimagnetic materials: Ba2CuGe2O7 and Cu3Nb2O8. Recent studies report a number of interesting anisotropic proper- ties [1, 2, 3]. Ba2CuGe2O7 melilite oxide shows a complex magnetic behaviour, ... -
Graphene and carbon nanotubes in transistors, diodes and field emission devices
(Universita degli studi di Salerno, 2017-03-22)Since their discovery, graphene and carbon nanotubes have been playing an important role in nanoscience and nanotechnology thanks to their extraordinary physical and chemical properties. With silicon-based electronics ... -
A study on iron-chalcogenides superconductors: from samples preparation to physical properties
(Universita degli studi di Salerno, 2017-03-14)In the scientific community there is a great interest to explore new superconducting materials suitable for high field applications in order to meet the needs of industrial claims. In this framework, newly discovered ... -
Superconductivity in S/F hybrids: a Scanning Probe Microscopy study of orbital interaction
(Universita degli studi di Salerno, 2016-04-14)In the framework of the Ginzburg-Landau (G-L) theory [1], conventional superconductors are classified in type I and type II, based on the value the G-L parameter... [edited by Author] -
Influence of grains on the electromagnetic ac response of superconducting materials
(Universita degli studi di Salerno, 2016-04-20)Type II superconducting materials are technologically interesting since they are characterized by the existence of a superconducting phase even after the penetration of the magnetic field inside them. In fact, while type ... -
Josephson junctions, quantum interference devices and applications in the field of dark matter search
(Universita degli studi di Salerno, 2016-04-13)In questa Tesi di Dottorato, io e il mio supervisor, il Prof. Roberto De Luca, abbiamo analizzato alcuni particolari dispositivi superconduttori, le giunzioni Josephson e gli SQUIDs (Superconducting Quantum Interference ... -
Non-markovian quantum dynamics
(Universita degli studi di Salerno, 2016-04-28)Quantum systems can necessarily be viewed as open systems. As in classical physics, any realistic description of a system must take into account the cou- pling to an environment that strongly in uences the system itself. ... -
Signatures of quantumness: identification, quantification and dynamical preservation
(Universita degli studi di Salerno, 2016-04-14)The quanti cation of quantumness is necessary to assess how much a physical system departs from a classical behaviour and thus gauge the quantum enhancement in opera- tional tasks such as information processing and ... -
Interface effects in superconducting heterostructures
(Universita degli studi di Salerno, 2016-04-14)This work debates a theoretical investigation of the interfacial effects about heterostructures with normal metals and superconductors. At the beginning we will introduce the basic physical phenomena our calculations deal ... -
An insight into gravitational microlensing and the search for exoplanetary systems
(Universita degli studi di Salerno, 2015-04-30)Nature always offers astonishing shows to the humankind. Gravitational lensing is one of the most intriguing effects which can be observed, and the astrophysical applications of such a phenomenon span from particle physics ... -
Constraining models of extended theories of gravity with terrestrial and astrophysical experiments
(Universita degli studi di Salerno, 2015-04-30)In this Thesis we report a general review of Extended Theories of Gravity and the fundamental aspects of General Relativity. We show the technicality of development of field equation with respect to Newtonian, Post-Newtonian ... -
Phase transitions in strongly correlated electronic systems
(Universita degli studi di Salerno, 2014-06-19)We studied the some type of phase transitions in Strongly Correlated Electronic Systems. In particular we rigorously established some exact properties of a multi-orbital Hubbard model, here formulated to describe a nematic ... -
Progettazione e sperimentazione di un percorso didattico sperimentale in superconduttività
(Universita degli studi di Salerno, 2014-07-31)Vengono presentate e discusse le fasi di progettazione, realizzazione e valutazione di efficacia di un percorso didattico di insegnamento/apprendimento incentrato sui materiali superconduttori partendo dalle loro proprietà ... -
Particle mixing, two level systems and gauge theory
(Universita degli studi di Salerno, 2012-04-26)In this thesis I will discuss the theory of two level systems and the theory of the oscillating particles in quantum eld theory. In the rst chapter I will consider the time evolution of a two level system, a qubit, to ...
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