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7 papers · 2 filters
On the accuracy of the PFA: analogies between Casimir and electrostatic forces
Francisco D. Mazzitelli, Fernando C. Lombardo, Paula I. Villar
We present an overview of the validity of the Proximity Force Approximation (PFA) in the calculation of Casimir forces between perfect conductors for different geometries, with par…
Distribution of resonances in the quantum open baker map
Juan M. Pedrosa, Gabriel G. Carlo, Diego A. Wisniacki +1
We study relevant features of the spectrum of the quantum open baker map. The opening consists of a cut along the momentum direction of the 2-torus phase space, modelling an op…
Scaling laws in the quantum to classical transition in chaotic systems
Diego A. Wisniacki, Fabricio Toscano
We study the quantum to classical transition in a chaotic system surrounded by a diffusive environment. The emergence of classicality is monitored by the Renyi entropy, a measure o…
Behavior of the current in the asymmetric quantum multibaker map
Leonardo Ermann, Gabriel G. Carlo, Marcos Saraceno
Recently, a new mechanism leading to purely quantum directed transport in the asymmetric multibaker map has been presented. Here, we show a comprehensive characterization of the fi…
Domain-averaged Fermi hole versus regional reduced density matrices: a critical comparison
Diego R. Alcoba, Roberto C. Bochicchio, Luis Lain +1
In their recent work Cooper and Ponec [Phys. Chem. Chem. Phys., 2008, 10, 1319-1329] proposed a ``one-electron approximation to domain-averaged Fermi hole (DAFH)" used in electroni…
Quantum Mechanics and Leggett's Inequalities
Miguel Socolovsky
We show that when the proper description of the behaviour of individual photons or spin 1/2 particles in a spherically symmetric entangled pair is done through the use of the densi…