16,048 research outputs found
Diffraction in Charged Current DIS
We present the QCD calculation of the diffractive structure function for
charged current DIS. In particular we analyse the perturbatively tractable
excitation of heavy quarks. We emphasize the peculiarities of the Regge
factorization breaking in excitation of open charm.Comment: 16 pages LateX, 5 eps figures include
Review of studies about quantum communication and foundations of quantum mechanics at IENGF
In this proceeding I review the main experimental results obtained at IENGF
(Turin, Italy) by using a source of entangled photons realised superposing, by
means of an optical condenser, type I PDC produced in two crystals. More in
details, after having described how this source is built, I will report on a
Bell inequalities test obtained with it. Then I describe a recent innovative
double slit experiment realised with a similar scheme. Finally, I hint about
future developments of this activity at IENGF and in particular about a quantum
cryptographic scheme in d=4.Comment: to appear as invited talk in: SPIE Proceedings on Quantum
Communications and Quantum Imaging (2003
Real applications of quantum imaging
In the last years the possibility of creating and manipulating quantum states
of light has paved the way to the development of new technologies exploiting
peculiar properties of quantum states, as quantum information, quantum
metrology & sensing, quantum imaging ...
In particular Quantum Imaging addresses the possibility of overcoming limits
of classical optics by using quantum resources as entanglement or
sub-poissonian statistics. Albeit quantum imaging is a more recent field than
other quantum technologies, e.g. quantum information, it is now substantially
mature for application. Several different protocols have been proposed, some of
them only theoretically, others with an experimental implementation and a few
of them pointing to a clear application. Here we present a few of the most
mature protocols ranging from ghost imaging to sub shot noise imaging and sub
Rayleigh imaging.Comment: REVIEW PAPE
Social media challenges mean that the next Italian government may have to fix the rules dictated by the “Par Condicio” law
This weekend’s Italian elections are in the spotlight because of their importance to the financial stability of the Eurozone. They also raise questions about media regulation because they will be the first under a controversial new impartiality regime – that also applies to smartphones. Jacopo Genovese considers whether fair elections might be achieved more easily through policies addressing the concentration of media ownership
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