Física Aplicada I: Envíos recientes
Mostrando ítems 761-780 de 890
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Artículo
Current reversals in a rocking ratchet: the frequency domain
(American Physical Society, 2011)Motivated by recent work [D. Cubero et al., Phys. Rev. E 82, 041116 (2010)], we examine the mechanisms which determine ...
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Artículo
Thermal equilibrium and statistical thermometers in special relativity
(American Physical Society, 2007)There is an intense debate in the recent literature about the correct generalization of Maxwell’s velocity distribution ...
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Artículo
Vibrational mechanics in an optical lattice: controlling transport via potential renormalization
(American Physical Society, 2012)We demonstrate theoretically and experimentally the phenomenon of vibrational resonance in a periodic potential, using ...
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Ponencia
Vortex solutions of the defocusing discrete nonlinear Schroedinger equation
(American Institute of Physics, 2009)We consider the existence, stability and dynamical evolution of dark vortex states in the two-dimensional defocusing DNLS ...
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Artículo
Electronic transport in disordered n-alkanes: From fluid methane to amorphous polyethylene
(American Institute of Physics, 2003)We use a fast Fourier transform block Lanczos diagonalization algorithm to study the electronic states of excess electrons ...
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Artículo
Computer simulations of localized small polarons in amorphous polyethylene
(American Institute of Physics, 2004)We use a simple mean field scheme to compute the polarization energy of an excess electron in amorphous polyethylene that ...
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Artículo
Inhomogeneous multiscale dynamics in harmonic lattices
(American Institute of Physics, 2005)We use projection operators to address the coarse-grained multiscale problem in harmonic systems. Stochastic equations of ...
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Capítulo de Libro
Classical and quantum nonlinear localized excitations in discrete systems
(Transworld Research Network, 2005)Discrete breathers, or intrinsic localized modes, are spatially localized, time–periodic, nonlinear excitations that can ...
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Artículo
Comment on “Markovian approximation in a coarse-grained description of atomic systems” [J. Chem. Phys.125, 204101 (2006)]
(American Institute of Physics, 2008)The authors concluded that the coarse-graining dynamics of a one-dimensional chain of oscillators interacting through ...
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Ponencia
Effect of breather existence on reconstructive transformations in mica muscovite
(2008)Reconstructive transformations of layered silicates as mica muscovite take place at much lower temperatures than expected. ...
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Ponencia
Interaction of moving breathers with an impurity
(World Scientific, 2003)We analyze the influence of an impurity in the evolution of moving discrete breathers in a Klein–Gordon chain with non-weak ...
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Ponencia
Breathers in FPU systems, near and far from the phonon band
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Artículo
Solitary waves in a discrete nonlinear Dirac equation
(2015)In the present work, we introduce a discrete formulation of the nonlinear Dirac equation in the form of a discretization ...
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Artículo
PT-symmetric sine-Gordon breathers
(2014)In this work, we explore a prototypical example of a genuine continuum breather (i.e., not a standing wave) and the ...
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Artículo
From nodeless clouds and vortices to gray ring solitons and symmetry-broken states in two-dimensional polariton condensates
(2014)We consider the existence, stability and dynamics of the nodeless state and fundamental nonlinear excitations, such as ...
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Artículo
PT-symmetry management in oligomer systems
(2013)We study the effects of management of the PT-symmetric part of the potential within the setting of Schrödinger dimer and ...
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Artículo
Breathers in oscillator chains with Hertzian interactions
(2013)We prove nonexistence of breathers (spatially localized and time-periodic oscillations) for a class of Fermi-Pasta-Ulam ...
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Artículo
Breathers for the discrete nonlinear Schrödinger equation with nonlinear hopping
(2013)We discuss the existence of breathers and lower bounds on their power, in nonlinear Schrödinger lattices with nonlinear ...
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Artículo
Scattering of atomic dark-bright solitons from narrow impurities
(2013)In this work, we examine the collision of an atomic dark-bright soliton, in a two-component Bose-Einstein condensate, with ...
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Artículo
Escape dynamics in the discrete repulsive φ4 model
(2013)We study deterministic escape dynamics of the discrete Klein-Gordon model with a repulsive quartic on-site potential. Using ...