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27 papers · 1 filter
First passage time for superstatistical Fokker-Planck models
Adrián A. Budini, Manuel O. Cáceres
The first passage time (FPT) problem is studied for superstatistical models assuming that the mesoscopic system dynamics is described by a Fokker-Planck equation. We show that all…
Width of the charge-transfer peak in the SU(N) impurity Anderson model and its relevance to non-equilibrium transport
J. Fernández, F. Lisandrini, P. Roura-Bas +2
We calculate the width and intensity of the charge-transfer peak (the one lying at the on-site energy ) in the impurity spectral density of states as a functi…
Intra- and intercycle interference of angle-resolved electron emission in laser assisted XUV atomic ionization
A A Gramajo, R Della Picca, S D López +1
A theoretical study of ionization of the hydrogen atom due to an XUV pulse in the presence of an IR laser is presented. Well-established theories are usually used to describe the p…
Bath-induced correlations in an infinite-dimensional Hilbert space
Marco Nizama, Manuel O. Cáceres
Quantum correlations between two free spinless dissipative distinguishable particles (interacting with a thermal bath) are studied analytically using the quantum master equation an…
Progress in high-energy cosmic ray physics
Silvia Mollerach, Esteban Roulet
We review some of the recent progress in our knowledge about high-energy cosmic rays, with an emphasis on the interpretation of the different observational results. We discuss the…
Nonlocal effective actions in semiclassical gravity: thermal effects in stationary geometries
M. Elías, F. D. Mazzitelli, L. G. Trombetta
We compute the gravitational effective action by integrating out quantum matter fields in a weak gravitational field, using the Schwinger-Keldysh (in-in) formalism. We pay particul…