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5 papers · 2 filters
Decoherence induced by zero point fluctuations in quantum Brownian motion
Fernando C. Lombardo, Paula I. Villar
We show a completely analytical approach to the decoherence induced by a zero temperature environment on a Brownian test particle. We consider an Omhic environment bilinearly coupl…
Hertz potentials approach to the dynamical Casimir effect in cylindrical cavities of arbitrary section
Martin Crocce, Diego A. R. Dalvit, Fernando C. Lombardo +1
We study the creation of photons in resonant cylindrical cavities with time dependent length. The physical degrees of freedom of the electromagnetic field are described using Hertz…
Qubits in phase space: Wigner function approach to quantum error correction and the mean king problem
Juan Pablo Paz, Augusto Jose Roncaglia, Marcos Saraceno
We analyze and further develop a new method to represent the quantum state of a system of qubits in a phase space grid of points (where ). The method, which…
Casimir force between eccentric cylinders
Diego A. R. Dalvit, Fernando C. Lombardo, Francisco D. Mazzitelli +1
We consider the Casimir interaction between a cylinder and a hollow cylinder, both conducting, with parallel axis and slightly different radii. The Casimir force, which vanishes in…
Model for resonant photon creation in a cavity with time dependent conductivity
Martin Crocce, Diego A. R. Dalvit, Fernando C. Lombardo +1
In an electromagnetic cavity, photons can be created from the vacuum state by changing the cavity's properties with time. Using a simple model based on a massless scalar field, we…