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Mostrando ítems 1-10 de 11
Artículo
Quasielastic scattering from relativistic bound nucleons: Transverse-longitudinal response
(American Physical Society, 1999-12-27)
Predictions for electron induced proton knockout from p1/2 and p3/2 shells in 16O are presented using various approximations for the relativistic nucleonic current. Results for differential cross section, transverse-longitudinal ...
Artículo
Subthreshold stochastic resonance: Rectangular signals can cause anomalous large gains
(American Physical Society, 2003)
The main objective of this work is to explore aspects of stochastic resonance (SR) in noisy bistable, symmetric systems driven by subthreshold periodic rectangular external signals possessing a large duty cycle of unity. ...
Artículo
Relaxation in charge-transfer systems with very large tunnel splitting: A semiclassical stochastic approach
(AIP Publishing, 2000-12)
Electron transfer in strongly coupled systems, appropriate to mixed-valence compounds, is studied to explore the competition between electronic coherence and dissipation. A set of stochastic equations is derived for a ...
Artículo
Reorganization energies for charge transfer reactions in binary mixtures of dipolar hard sphere solvents: A Monte Carlo study
(AIP Publishing, 1998-12)
We study the behavior of the reorganization energy for simple charge transfer reactions in mixtures of dipolar hard sphere fluids by Monte Carlo simulation. The static dielectric constants of the solvents are also obtained ...
Artículo
Theory of frequency and phase synchronization in a rocked bistable stochastic system
(American Physical Society, 2005)
We investigate the role of noise in the phenomenon of stochastic synchronization of switching events in a rocked, overdamped bistable potential driven by white Gaussian noise, the archetype description of stochastic ...
Artículo
Effects of additive noise on vibrational resonance in a bistable system
(American Physical Society, 2004)
We study the overdamped motion of a particle in a bistable potential subject to the action of a bichromatic force and additive noise, within the context of the vibrational resonance phenomenon. Under appropriate conditions, ...
Artículo
Strong external field effects on electronic dephasing of molecular transitions in condensed media
(AIP Publishing, 1999)
We discuss the effects of a strong external field on the optical transition between two electronic states of a solute immersed in a medium. The solute states may be weakly or quite strongly coupled to the medium. The ...
Artículo
The role of different reorganization energies within the Zusman theory of electron transfer
(AIP Publishing, 2003-01)
We consider the kinetics of electron transfer reactions in condensed media with different reorganization energies for the forward and backward processes. The starting point of our analysis is an extension of the well-known ...
Artículo
Solvation in binary mixtures of dipolar hard sphere solvents: Theory and simulations
(AIP Publishing, 2000-08)
The structure of mixtures of dipolar hard sphere fluids with components of equal size but different dipole moments around a single ion is studied. The solvation energy and the polarization around the ion is obtained in the ...
Artículo
Gain in stochastic resonance: Precise numerics versus linear response theory beyond the two-mode approximation
(American Physical Society, 2003)
In the context of the phenomenon of stochastic resonance (SR), we study the correlation function, the signal-to-noise ratio (SNR), and the ratio of output over input SNR, i.e., the gain, which is associated to the nonlinear ...