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Μόνιμο URI για αυτήν την κοινότηταhttps://dspace.library.tuc.gr/handle/123456789/1

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Optical simulation of charge conservation violation and Majorana dynamics
(Optical Society of America, 2015) Keil Robert; Changsuk Noh; Rai Amit; Stützer Simon; Nolte Stefan; Aggelakis Dimitrios; Αγγελακης Δημητριος; Szameit, Alexander, 1979-
Unphysical solutions are ruled out in physical equations, as they lead to behavior that violates fundamental physical laws. One of the celebrated equations that allows unphysical solutions is the relativistic Majorana equation, thought to describe neutrinos and other exotic particles predicted in theories beyond the standard model. The neutrally charged Majorana fermion is the equation’s physical solution, whereas the charged version is, due to charge nonconservation, unphysical and cannot exist. Here, we present an experimental scheme simulating the dynamics of a charged Majorana particle by light propagation in a tailored waveguide chip. Specifically, we simulate the free-particle evolution as well as the unphysical operation of charge conjugation. We do this by exploiting the fact that the wave function is not a directly observable physical quantity and by decomposing the unphysical solution to observable entities. Our results illustrate the potential of investigating theories beyond the standard model in a compact laboratory setting.
Quantum walk on integers and maximum likelihood parametric estimation
(Technical University of Crete, 2013) Moutzianou Georgios; Μουτζιανου Γεωργιος; Ellinas Dimosthenis; Ελληνας Δημοσθενης; Aggelakis Dimitrios; Αγγελακης Δημητριος; Dollas Apostolos; Δολλας Αποστολος

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Πλοήγηση Πολυτεχνείο Κρήτης ανά Συγγραφέα "Aggelakis Dimitrios"