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11 papers · 2 filters
Dephasing in matter-wave interferometry
Fernando C. Lombardo, Paula I. Villar
We review different attempts to show the decoherence process in double-slit-like experiments both for charged particles (electrons) and neutral particles with permanent dipole mome…
Towards a precision measurement of the Casimir force in a cylinder-plane geometry
Michael Brown-Hayes, Diego A. R. Dalvit, Francisco D. Mazzitelli +2
We report on a proposal aimed at measuring the Casimir force in a cylinder-plane configuration. The Casimir force is evaluated including corrections due to finite parallelism, cond…
Decoherence induced by a chaotic environment: A quantum walker with a complex coin
Leonardo Ermann, Juan Pablo Paz, Marcos Saraceno
We study the differences between the process of decoherence induced by chaotic and regular environments. For this we analyze a family of simple models wich contain both regular and…
Decoherence from spin environments
F. M. Cucchietti, J. P. Paz, W. H. Zurek
We examine two exactly solvable models of decoherence -- a central spin-system, (i) with and (ii) without a self--Hamiltonian, interacting with a collection of environment spins. I…
Decoherence induced by a fluctuating Aharonov-Casher phase
Fernando C. Lombardo, Francisco D. Mazzitelli, Paula I. Villar
Dipoles interference is studied when atomic systems are coupled to classical electromagnetic fields. The interaction between the dipoles and the classical fields induces a time-var…
Decoherence induced by a composite environment
Fernando C. Lombardo, Paula I. Villar
We study the decoherence induced by the environment over a composite quantum system, comprising two coupled subsystems A and B, which may be a harmonic or an upside-down oscillator…