Sfoglia Fisica per Autore "Vitiello, Giuseppe"
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Dissipation, mixing and two level system in quantum field theory
Bruno, Angelo (Universita degli studi di Salerno, 2012-04-30)In this dissertation we discuss several aspects of a two level system (qubit) in the context of quantum mechanics and quantum field theory. The presence of geometrical phases in the evolution of a qubit state is shown. We ... -
Particle mixing, two level systems and gauge theory
Raimondo, Gianluca (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, ...