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Depósito Digital de Documentos de la UAB Encontrados 55 registros  1 - 10siguientefinal  ir al registro: La búsqueda tardó 0.03 segundos. 
1.
7 p, 1.7 MB Noncharacteristic half-lives in radioactive decay / Corral, Álvaro (Centre de Recerca Matemàtica) ; Font-Clos, Francesc (Centre de Recerca Matemàtica) ; Camacho Castro, Juan (Universitat Autònoma de Barcelona. Departament de Física)
Half-lives of radionuclides span more than 50 orders of magnitude. We characterize the probability distribution of this broad-range data set at the same time that we explore a method for fitting power laws and testing goodness-of-fit. [...]
2011 - 10.1103/PhysRevE.83.066103
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 83, Number 6 (June 2011) , p. 066103/1-066103/7  
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2.
9 p, 208.7 KB Traveling fronts in systems of particles with random velocities / Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Gomez Portillo, Ignacio (Universitat Autònoma de Barcelona. Departament de Física)
We explore a reaction-dispersal mechanism for the generation of wave fronts which consists of a set of particles traveling with random velocities (chosen from arbitrary distributions) which experience an autocatalytic reaction. [...]
2010 - 10.1103/PhysRevE.82.041119
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 82, Number 4 (October 2010) , p. 041119/1-041119/9  
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3.
8 p, 315.9 KB Fourier series expansion for nonlinear Hamiltonian oscillators / Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Sans, Cristina (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Llopis, Isaac (Universitat Autònoma de Barcelona. Departament de Física)
The problem of nonlinear Hamiltonian oscillators is one of the classical questions in physics. When an analytic solution is not possible, one can resort to obtaining a numerical solution or using perturbation theory around the linear problem. [...]
2010 - 10.1103/PhysRevE.81.066201
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 81, Number 6 (June 2010) , p. 066201/1-066201/8  
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4.
20 p, 1.8 MB Dynamics of one- and two-dimensional fronts in a bistable equation with time-delayed global feedback : propagation failure and control mechanisms / Boubendir, Yassine (New Jersey Institute of Technology. Department of Mathematical Sciences) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Rotstein, Horacio G. (New Jersey Institute of Technology. Department of Mathematical Sciences)
We study the evolution of fronts in a bistable equation with time-delayed global feedback in the fast reaction and slow diffusion regime. This equation generalizes the Hodgkin-Grafstein and Allen-Cahn equations. [...]
2010 - 10.1103/PhysRevE.82.036601
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 82, Number 3 (September 2010) , p. 036601/1-036601/20  
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5.
7 p, 207.1 KB Nonuniversality and the role of tails in reaction-subdiffusion fronts / Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física)
Recently there has been a certain controversy about the scaling properties of reaction-subdiffusion fronts. Some works seem to suggest that these fronts should move with constant speed, as do classical reaction-diffusion fronts, while other authors have predicted propagation failure, i. [...]
2009 - 10.1103/PhysRevE.80.021133
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 80, Number 2 (August 2009) , p. 021133/1-021133/7  
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6.
6 p, 82.7 KB Measuring nonequilibrium temperature of forced oscillators / Hatano, Takahiro (Japan Atomic Energy Research Institute. Center for Promotion of Computational Science and Engineering) ; Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física)
The meaning of temperature in nonequilibrium thermodynamics is considered by using a forced harmonic oscillator in a heat bath, where we have two effective temperatures for the position and the momentum, respectively. [...]
2003 - 10.1103/PhysRevE.67.026121
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 67, Number 2 (February 2003) , p. 026121/1-026121/6  
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7.
9 p, 112.5 KB Three eras of micellization / Neu, J. C. (University of California at Berkeley. Department of Mathematics) ; Cañizo Rincón, José Alfredo (Universidad de Granada. Departamento de Matemática Aplicada) ; Bonilla, L. L. (Universidad Carlos III de Madrid. Departamento de Matemáticas)
Micellization is the precipitation of lipids from aqueous solution into aggregates with a broad distribution of aggregation number. Three eras of micellization are characterized in a simple kinetic model of Becker-Döring type. [...]
2002 - 10.1103/PhysRevE.66.061406
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 66, Number 6 (December 2002) , p. 061406/1-061406/9  
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8.
4 p, 70.7 KB Reaction-diffusion wave fronts : multigeneration biological species under climate change / Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Fort, Joaquim (Universitat de Girona. Departament de Física) ; Llebot, Josep Enric, 1953- (Universitat Autònoma de Barcelona. Departament de Física)
A generalization of reaction-diffusion models to multigeneration biological species is presented. It is based on more complex random walks than those in previous approaches. The new model is developed analytically up to infinite order. [...]
2002 - 10.1103/PhysRevE.66.062901
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 66, Number 6 (December 2002) , p. 062901/1-062901/4  
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9.
6 p, 76.5 KB Shear-induced shift of spinodal line in entangled polymer blends / Criado-Sancho, Manuel (Universidad Nacional de Educación a Distancia (Espanya). Departamento de Ciencias y Técnicas Físicoquímicas) ; Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física) ; Casas Vázquez, José (Universitat Autònoma de Barcelona. Departament de Física) ; Castillo, L. F. del (Universidad Nacional Autónoma de México. Instituto de Investigaciones en Materiales)
We study the shear-flow effects on phase separation of entangled polymer blends by incorporating into the chemical potential a nonequilibrium contribution due to the flow. The results are compared with those of a previous analysis by other authors which did not modify the chemical potential but used a different assumption for the stress tensor of the blend.
2002 - 10.1103/PhysRevE.66.061803
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 66, Number 6 (December 2002) , p. 061803/1-061803/6  
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10.
10 p, 332.4 KB Phase synchronization in bidirectionally coupled optothermal devices / Herrero Simón, Ramón (Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear) ; Figueras Atienza, Marc (Universitat Autònoma de Barcelona. Departament de Física) ; Pi, F. (Pi i Vila, Francesc) (Universitat Autònoma de Barcelona. Departament de Física) ; Orriols Tubella, Gaspar (Universitat Autònoma de Barcelona. Departament de Física)
We present the experimental observation of phase synchronization transitions in the bidirectional coupling of chaotic and nonchaotic oscillators. A variety of transitions are characterized and compared to numerical simulations of a time delayed model. [...]
2002 - 10.1103/PhysRevE.66.036223
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 66, Number 3 (September 2002) , p. 036223/1-036223/10  
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Depósito Digital de Documentos de la UAB : Encontrados 55 registros   1 - 10siguientefinal  ir al registro:
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