Perfil del autor: Archilla, Juan F. R.
Datos institucionales
Nombre | Archilla, Juan F. R. |
Departamento | Física Aplicada I |
Área de conocimiento | Física Aplicada |
Categoría profesional | Catedrático de Universidad |
Correo electrónico | Solicitar |
Estadísticas
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Nº publicaciones
88
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Nº visitas
11906
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Nº descargas
17051
Publicaciones |
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Ponencia
Multiple Time Stepping Methods for Numerical Simulation of Charge Transfer by Mobile Discrete Breathers
(American Institute of Physics, 2024)
In this work we propose new structure-preserving multiple time stepping methods for numerical simulation of charge transfer ... |
Artículo
Nonlinear bandgap transmission by discrete rogue waves induced in a pendulum chain
(ScienceDirect, 2024)
Westudynumerically a discrete, nonlinear lattice, which is formed by a chain of pendula submitted to a harmonic-driving ... |
Artículo
Quodon Current in Tungsten and Consequences for Tokamak Fusion Reactors
(WILEY-V C H VERLAG GMBH, 2024)
Tokamak fusion reactors produce energetic He ions that penetrate surfaces less than 20 μm and neutrons that spread throughout ... |
Artículo
Spectral Properties of Exact Polarobreathers in Semiclassical Systems
(MDPI, 2023)
In this paper, we study the spectral properties of polarobreathers, that is, breathers carrying charge in a one-dimensional ... |
Ponencia
Quodons in tokamak fusion reactors
(IEICE Digital Library, 2023)
Experiments have shown that alpha particles incident on different materials bring about the generation of quodons, that ... |
Ponencia
Spectrum of polarobreathers in a model for layered silicates
(IEICE Digital Library, 2023)
Experiments in layered silicated have shown the capability of nonlinear excitations to couple with electric charge and ... |
Artículo
Intrinsic localized modes in polymers and hyperconductors
(American Institute of Physics, 2022)
The history of the experimental study of nonlinear lattice excitations in layered silicate materials, when exposed to swift ... |
Artículo
Frequency–momentum representation of moving breathers in a two dimensional hexagonal lattice
(ScienceDirect, 2022)
We study nonlinear excitations propagating in a hexagonal layer which is a model for the cation layer of silicates. We ... |
Artículo
Splitting Methods for Semi-Classical Hamiltonian Dynamics of Charge Transfer in Nonlinear Lattices
(MDPI, 2022)
We propose two classes of symplecticity-preserving symmetric splitting methods for semi-classical Hamiltonian dynamics of ... |
Ponencia
Geometric numerical integration of semi-classical Hamiltonain lattice dynamics
(IEICE Digital Library, 2022)
In this work we provide a brief overview of recently proposed symplecticity-preserving symmetric splitting methods for ... |
Ponencia
Supratransmission-induced discrete rogue wave in nonlinear chain
(IEICE Digital Library, 2022)
We numerically generate a discrete rogue wave in a chain of a nonlinear pendulum using the nonlinear supratransmission way ... |
Ponencia
Ballistic charge transport by polarokinks and polarobreathers
(IEICE Digital Library, 2022)
Some materials of the mica group experience hyperconductivity, the transport of electric charge without an electric field. ... |
Capítulo de Libro
Localized waves in silicates. What do we know from experiments?
(Springer International Publishing, 2021)
Since the latest review about solitary localized waves in muscovite, called quodons, (F.M. Russell in Quodons in Mica. ... |
Artículo
Ballistic charge transport by mobile nonlinear excitations
(Wiley, 2021)
The developments in hyperconductivity, the loss-free transmission of electric charge at room temperature and above, due ... |
Ponencia
A tight-binding model for charge transport in silicate layers
(IEICE Digital Library, 2020)
Observations and experiments in silicates of the mica group show the transport of electric charge along the cation layers ... |
Artículo
Pterobreathers in a model for a layered crystal with realistic potentials: Exact moving breathers in a moving frame
(American Physical Society, 2019)
In this article we perform a thorough analysis of breathers in a one-dimensional model for a layered silicate for which ... |
Artículo
Hyperconductivity in fluorphlogopite at 300 K and 1.1 T
(European Physical Society, 2019)
We report on studies of hyperconductivity in which electric charge moves in a solid in the absence of an applied electric ... |
Artículo
Nonlinear waves in a model for silicate layers
(American Institute of Physics, 2018)
Some layered silicates are composed of positive ions, surrounded by layers of ions with opposite sign. Mica muscovite is ... |
Artículo
Nonlinear waves in a chain of magnetically coupled pendula
(Acoustical Society of America, 2018)
A motivation for the study of reduced models like one-dimensional systems in Solid State Physics is the complexity of the ... |
Artículo
Infinite charge mobility in muscovite at 300K
(IOP, 2017)
Evidence is presented for infinite charge mobility in natural crystals of muscovite mica at room temperature. Muscovite ... |
Artículo
Quantum dynamics of wave packets in a non-stationary parabolic potential and the Kramers escape rate theory
(World Scientific Publishing, 2016)
At sufficiently low temperatures, the reaction rates in solids are controlled by quantum rather than by thermal fluctuations. ... |
Artículo
Energy localization and shape transformations in semiflexible polymer rings
(American Physical Society, 2016)
Shape transformations in driven and damped molecular chains are considered. Closed chains of weakly coupled molecular ... |
Libro
Book of abstracts: NoLineal 2016, International Conference on Nonlinear Mathematics and Physics
(NoLineal 2016Juan F.R. Archilla, 2016)
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Artículo
On the charge of quodons
(Institute for Metals Superplasticity Problems of Russian Academy of Sciences, 2016)
Muscovite mica is a mineral in which the tracks of charged swift particles, from radioactivity or cosmic rays, can be ... |
Ponencia
Simulation of Antiphase Dynamics in Lasers with Cellular Automata. A Work in Progress [Póster]
(2016)
The classical point of view to study the laser dynamics are the Maxwell-Bloch equations however the CA models are complementary ... |
Artículo
Long range annealing of defects in germanium by low energy plasma ions
(Elsevier, 2015)
Ions arriving at a semiconductor surface with very low energy (2 - 8 eV) are interacting with defects deep inside the ... |
Capítulo de Libro
A Supersonic Crowdion in Mica Ultradiscrete Kinks with Energy between 40K Recoil and Transmission Sputtering
(Springer, 2015)
In this work we analyze in detail the behaviour and properties of the kinks found in an one dimensional model for the close ... |
Capítulo de Libro
Rate Theory of Acceleration of Defect Annealing Driven by Discrete Breathers
(Springer International Publishing, 2015)
Novel mechanisms of defect annealing in solids are discussed, which are based on the large amplitude anharmonic lattice ... |
Capítulo de Libro
The origin of defects induced in ultra-pure germanium by Electron Beam Deposition
(Springer, 2015)
The creation of point defects in the crystal lattices of various semiconductors by subthreshold events has been reported ... |
Capítulo de Libro
Experimental observation of moving intrinsic localized modes in germanium
(Springer, 2015)
Deep level transient spectroscopy shows that defects created by alpha irradiation of germanium are annealed by low energy ... |
Artículo
Ultra-discrete kinks with supersonic speed in a layered crystal with realistic potentials
(American Physical Society, 2015)
In this paper we develop a dynamical model of the propagating nonlinear localized excitations, supersonic kinks, in the ... |
Capítulo de Libro
Supersonic Kinks in Coulomb lattices
(Springer International Publishing, 2014)
There exist in nature examples of lattices of elements for which the interaction is repulsive, the elements are kept in ... |
Libro
Book of abstracts: Quodons in Mica 2013 - Nonlinear Localized Travelling Excitations in Crystals
(CC-BY-ND 4.0 by Quodons in Mica, 2013)
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Artículo
Kinks supersónicos en redes repulsivas
(Real Sociedad Española de Física, 2013)
We have founds supersonics kinks in a model for the cation layer of mica muscovite. They are proposed as a posible explanation for the dark tracks in the mineral |
Artículo
Moving Excitations in Cation Lattices
(National Academy of Sciences of Ukrain, 2013)
We consider a model made out of identical particles that repel each other with the Coulomb interaction. We study numerically ... |
Ponencia
Kinks in Coulomb’s chains
(Universidad de Sevilla, 2012)
Chains of identical ions, for which the dominant interaction is the electrostatic repulsion, appear in layered silicates. ... |
Artículo
Nonsymmetric moving breather collisions in the Peyrard-Bishop DNA model
(American Institute of Mathematical Sciences (AIMS), 2011)
We study nonsymmetric collisions of moving breathers (MBs) in the Peyrard-Bishop DNA model. In this paper we have considered ... |
Artículo
Stability of non-time-reversible phonobreathers
(2011)
Non-time reversible phonobreathers are non-linear waves that can transport energy in coupled oscillator chains by means ... |
Artículo
Multibreather and vortex breather stability in Klein–Gordon lattices: equivalence between two different approaches
(2011)
In this work, we revisit the question of stability of multibreather configurations, i.e. discrete breathers with multiple ... |
Artículo
Reaction-rate theory with account of the crystal anharmonicity
(American Physical Society, 2011)
Reaction rate theory in solids is modified taking into account intrinsic localized modes or discrete breathers (DBs) that ... |
Artículo
New classes of stable exact solutions for a nonlinear rotational DNA model
(Jagellonian University, 2010)
We consider a system of two coupled nonlinear partial differential equations for describing the rotational motions of bases ... |
Artículo
Moving breather collisions in Klein-Gordon chains of oscillators
(2009)
We investigate the collisions of moving breathers, with the same frequency, in three different Klein-Gordon chains of ... |
Capítulo de Libro
Moving breather collisions in the Peyrard-Bishop DNA model
(Springer, 2009)
We consider collisions of moving breathers (MBs) in the Peyrard-Bishop DNA model. Two identical stationary breathers, ... |
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. ... |
Ponencia
Discrete breathers collisions in nonlinear Schrödinger and Klein-Gordon lattices
(2008)
Collisions between moving localized modes (moving breathers) in non- integrable lattices present a rich outcome. In this ... |
Artículo
Discrete moving breather collisions in a Klein-Gordon chain of oscillators
(2008)
We study the collisions of moving breathers with the same frequency, traveling with opposite directions within a Klein–Gordon ... |
Artículo
A neutron scattering study of strong-symmetric hydrogen bonds in potassium and cesium hydrogen bistrifluoroacetates: Determination of the crystal structures and of the single-well potentials for protons
(AIP Publishing, 2008)
The crystal structures of potassium and cesium bistrifluoroacetates, KH CF3COO2 and CsH CF3COO2, respectively, were ... |
Artículo
Breather trapping and breather transmission in a DNA model with an interface
(2006)
We study the dynamics of moving discrete breathers in an interfaced piecewise DNA molecule. This is a chain in which all ... |
Artículo
Discrete breathers for understanding reconstructive mineral processes at low temperatures
(American Chemical Society, 2006)
Reconstructive transformations in layered silicates need a high temperature in order to be observed. However, very recently, ... |
Capítulo de Libro
Polaronic charge transport mechanism in DNA
(Elsevier, 2006)
For the detailed understanding of the conduction mechanism in DNA we use models based on the concept of polaron and breather ... |
Artículo
Interaction of moving discrete breathers with vacancies
(2006)
In this paper a Frenkel–Kontorova model with a nonlinear int eraction potential is used to describe a vacancy defect in a ... |
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 ... |
Artículo
Effect of the introduction of Impurities on the stability properties of multibreathers at low coupling
(2005)
Using a theorem dubbed the multibreather stability theorem (Archilla J F R et al 2003 Physica D 180 235) we have obtained ... |
Artículo
Modeling the thermal evolution of enzyme-created bubbles in DNA
(Royal Society, 2005)
The formation of bubbles in nucleic acids (NAs) is fundamental in many biological processes such as DNA replication, ... |
Artículo
Localization Properties of Electronic States in Polaron Model of poly(dG)-poly(dC) and poly(dA)-poly(dT) DNA polymers
(Societá Italiana di Fisica, 2005)
We numerically investigate localization properties of electronic states in a static model of poly(dG)-poly(dC) and ... |
Artículo
Moving breathers in bent DNA with realistic parameters
(2004)
Recent papers have considered moving breathers (MBs) in DNA models including long range interaction due to the dipole ... |
Artículo
Energy funneling in a bent chain of Morse oscillators with long-range coupling
(American Physical Society, 2004)
A bent chain of coupled Morse oscillators with long-range dispersive interaction is considered. Moving localized excitations ... |
Artículo
Stretching and relaxation dynamics in double stranded DNA
(Elsevier, 2004)
We study numerically the mechanical stability and elasticity properties of duplex DNA molecules within the frame of a ... |
Artículo
Bright and dark breathers in Fermi-Pasta-Ulam lattices
(2004)
In this paper we study the existence and linear stability of bright and dark breathers in one-dimensional FPU lattices. ... |
Artículo |
Artículo
Bubble generation in a twisted and bent DNA-like model
(American Physical Society, 2004)
The DNA molecule is modeled by a parabola embedded chain with long-range interactions between twisted base pair dipoles. ... |
Artículo
Multi-site H-bridge breathers in a DNA–shaped double strand
(IOP Publishing, 2004)
We investigate the formation process of nonlinear vibrational modes representing broad H-bridge multi–site breathers in a ... |
Artículo
Interaction of Moving Localized Oscillations with a Local Inhomogeneity in Nonlinear Hamiltonian Klein-Gordon Lattices
(Springer, 2003)
We study the interaction of moving localized oscillations with a local inhomogeneity in a discrete nonlinear Hamiltonian ... |
Artículo
Influence of moving breathers on vacancies migration
(Elsevier, 2003)
A vacancy defect is described by a Frenkel-Kontorova model with a discommensuration. This vacancy can migrate when interacts ... |
Artículo
Charge transport in poly(dG)-poly(dC) and poly(dA)-poly(dT) DNA polymers
(Springer, 2003)
We investigate the charge transport in synthetic DNA polymers built up from single types of base pairs. In the context of ... |
Artículo
Demonstration of the stability or instability of multibreathers at low coupling
(2003)
Whereas there exists a mathematical proof for one-site breathers stability, and an unpublished one for two-site breathers, ... |
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 ... |
Ponencia
Charge transport in a nonlinear, three-dimensional DNA model with disorder
(WorldScientific, 2003)
We study the transport of charge due to polarons in a model of DNA which takes in account its 3D structure and the coupling ... |
Artículo
Nonlinear charge transport mechanism in periodic and disordered DNA
(Elsevier, 2003)
We study a model for polaron-like charge transportmechanism along DNA molecules with emphasis on the impact of parametrical ... |
Ponencia
Breathers in FPU systems, near and far from the phonon band
(World Scientific, 2003)
|
Artículo
Moving breathers in a bent DNA model
(2002)
We study the properties of moving breathers in a bent DNA model with short range interaction, due to the stacking of ... |
Tesis Doctoral |
Artículo |
Artículo
Stationary and moving breathers in a simplified model of curved alpha--helix proteins
(2002)
The existence, stability and movability of breathers in a model for alpha-helix proteins is studied. This model basically ... |
Ponencia
Localized oscillations in nonlinear hamiltonian Klein-Gordon lattices. Breathers and Anderson modes
(2002)
There are two different sources of localization in discrete lattices: • Anderson modes in disordered harmonic lattices [1] • Discrete breathers in homogeneous nonlinear lattices [2] |
Artículo
Moving discrete breathers in a Klein–Gordon chain with an impurity
(2002)
We analyse the influence of an impurity in the evolution of moving discrete breathers in a Klein–Gordon chain with non-weak ... |
Artículo
Breathers in a system with helicity and dipole interaction
(American Physical Society, 2002)
Recent papers that have studied variants of the Peyrard-Bishop model for DNA, have taken into account the long range ... |
Artículo
Moving breathers in a DNA model with competing short and long range dispersive interactions
(2002)
Moving breathers is a means of transmitting information in DNA. We study the existence and properties of moving breathers ... |
Ponencia
Static and moving breathers in a DNA model with competing short–range and long–range dispersive interactions
(2001)
So far, all the studies on breathers on DNA have considered models with either short–range or long-range interaction. ... |
Artículo
Numerical study of breathers in a bent chain of oscillators with long-range interaction
(IOP Science, 2001)
Most of the studies of breathers in networks of oscillators are limited to nextneighbour interaction. However, long-range ... |
Artículo
Interplay of nonlinearity and geometry in a DNA-related, Klein-Gordon model with long-range dipole-dipole interaction
(American Physical Society, 2001)
Most of the studies on mathematical models of DNA are limited to next neighbor interaction. However, the coupling between ... |
Artículo
Numerical study of two-dimensional disordered Klein-Gordon lattices with cubic soft anharmonicity
(2001)
Localized oscillations appear both in ordered nonlinear lattices (breathers) and in disordered linear lattices (Anderson ... |
Artículo
Discrete breathers and Anderson modes: two faces of the same phenomenon?
(Elsevier, 1999)
Time-periodic localized oscillations occur in a variety of contexts, in particular in weakly coupled anharmonic lattices ... |
Artículo
Lie symmetries and multiple solutions in lambda-omega reaction-diffusion systems
(IOP, 1997)
Lie theory of transformation groups is applied to the study of lambda-omega reaction-diffusion systems in two-dimensional ... |
Artículo
Spiral waves solutions in reaction-diffusion equations with symmetries. Analysis through specific models
(IOP Science, 1997)
Symmetries of nonlinear reaction-diffusion equations determine the existence of regular rotating spiral waves. They are ... |
Artículo
Intersection of crisis loci in a driven nonlinearly damped oscillator
(Elsevier, 1995)
We report on a phenomenon observed in a driven nonlinearly damped oscillator when two control parameters, the frequency ... |
Artículo
Diffusion in a class of exactly solvable non-harmonic potentials. Intrinsic effects induced by non-linearities
(Elsevier, 1990)
This paper deals with the problem of a particle that diffuses in a potential with a reflecting barrier and has a point of ... |
Artículo
Diffusion equations for nonhomogeneous media. Existence of similarity solutions
(Elsevier, 1985)
We study the invariance of the diffusion equation δP(x,t)/δt = (δ/δx)[D(x)δP(x,t)/δx] under continuous groups of transformations. We show the conditions which D(x) must satisfy for the existence of similarity solutions. |