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15 papers · 2 filters
Noise effects in perfect transmission of quantum states
Fabio Benatti, Roberto Floreanini, Vahid Karimipour
A recent scheme for perfect transmission of quantum states through quasi-one dimensional chains requires application of global control at regular intervals of time. We study the ef…
Non-divisiblity and non-Markovianity in a Gaussian dissipative dynamics
Fabio Benatti, Roberto Floreanini, Stefano Olivares
We study a stochastic Schroedinger equation that generates a family of Gaussian dynamical maps in one dimension permitting a detailed exam of two different definitions of non-Marko…
The effect of spontaneous collapses on neutrino oscillations
S. Donadi, A. Bassi, C. Curceanu +1
We compute the effect of collapse models on neutrino oscillations. The effect of the collapse is to modify the evolution of the `spatial' part of the wave function, which indirectl…
On a proposal of superluminal communication
GianCarlo Ghirardi, Raffaele Romano
Recently, various new proposals of superluminal transmission of information have appeared in the literature. Since they make systematic resort to recent formal and practical improv…
Classical, quantum and superquantum correlations
GianCarlo Ghirardi, Raffaele Romano
A deeper understanding of the origin of quantum correlations is expected to shred light on the physical principles underlying quantum mechanics. In this work, we reconsider the pos…
Exact solution for a non-Markovian dissipative quantum dynamics
Luca Ferialdi, Angelo Bassi
We provide the exact analytic solution of the stochastic Schrödinger equation describing an harmonic oscillator interacting with a non-Markovian and dissipative environment. This r…