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Dipòsit Digital de Documents de la UAB 55 registres trobats  anterior11 - 20següentfinal  anar al registre: La cerca s'ha fet en 0.04 segons. 
11.
4 p, 69.5 KB Computer simulation study of irreversible adsorption : coverage fluctuations / Faraudo, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Bafaluy Bafaluy, Javier (Universitat Autònoma de Barcelona. Departament de Física)
In this paper, we develop a cellular automata model to study the coverage fluctuations in monolayers of irreversible adsorbed particles. The effect of bulk diffusion and excluded volume interactions between adsorbed and incoming particles on coverage fluctuations is analyzed by simulations and analytically. [...]
2002 - 10.1103/PhysRevE.65.037101
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 65, Number 3 (February 2002) , p. 037101/1-037101/4  
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12.
4 p, 176.3 KB Analytical solution of a model for complex food webs / Camacho Castro, Juan (Universitat Autònoma de Barcelona. Departament de Física) ; Guimerà, Roger (Universitat Rovira i Virgili. Departament d'Enginyeria Química) ; Amaral, Luís A. Nunes (Boston University. Department of Physics)
We investigate numerically and analytically a recently proposed model for food webs [Nature 404, 180 (2000)] in the limit of large web sizes and sparse interaction matrices. We obtain analytical expressions for several quantities with ecological interest, in particular, the probability distributions for the number of prey and the number of predators. [...]
2002 - 10.1103/PhysRevE.65.030901
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 65, Number 3 (February 2002) , p. 030901/1-030901/4  
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13.
4 p, 50.5 KB Scaling in steady-state aggregation with injection / Camacho Castro, Juan (Universitat Autònoma de Barcelona. Departament de Física)
A mean-field approach for steady-state aggregation with injection is presented. It is shown that for a wide variety of aggregation processes the resulting steady-size distribution obeys a power law N(m) m-α with α=(3+β)/2 and β the degree of homogeneity of the coagulation kernel. [...]
2001 - 10.1103/PhysRevE.63.046112
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 63, Number 4 (March 2001) , p. 046112/1-046112/4  
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14.
3 p, 38.5 KB Legendre transform in the thermodynamics of flowing polymer solutions / Casas Vázquez, José (Universitat Autònoma de Barcelona. Departament de Física) ; Castillo, L. F. del (Universidad Nacional Autónoma de México. Instituto de Investigaciones en Materiales) ; Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física) ; Criado-Sancho, Manuel (Universidad Nacional de Educación a Distancia (Espanya). Departamento de Ciencias y Técnicas Físicoquímicas)
We propose a Legendre transform linking two different choices of nonequilibrium variables (viscous pressure tensor and configuration tensor) in the thermodynamics of flowing polymer solutions. This may avoid some current confusions in the analysis of thermodynamic effects in polymer solutions under flow.
2001 - 10.1103/PhysRevE.63.057101
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 63, Number 5 (May 2001) , p. 057101/1-057101/3  
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15.
4 p, 48.2 KB Breaking of equipartition in one-dimensional heat-conducting systems / Kato, Akiko (Technische Universität Berlin. Institut für Theoretische Physik) ; Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física)
Using information-theoretical methods, we studied how energy equipartition is broken in one-dimensional systems under a heat flow composed of alternating particles of two different masses. The average energy stored in particles of different masses is seen to be different in both ideal gases and harmonic lattices.
2001 - 10.1103/PhysRevE.64.052201
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 64, Number 5 (October 2001) , p. 052201/1-052201/4  
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16.
10 p, 497.6 KB Stationary energy probability density of oscillators driven by a random external force / Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Horsthemke, Werner (Southern Methodist University. Department of Chemistry)
We derive rigorous analytical results for the stationary energy probability density function of linear and nonlinear oscillators driven by additive Gaussian noise. Our study focuses on two cases: (i) a harmonic oscillator subjected to Gaussian colored noise with an arbitrary correlation function and (ii) nonlinear oscillators with a general potential driven by Gaussian white noise. [...]
2013 - 10.1103/PhysRevE.87.062132
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 87, Number 6 (June 2013) , p. 062132/1-062132/10  
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17.
9 p, 785.0 KB Search times with arbitrary detection constraints / Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Bartumeus, Frederic (Centre d'Estudis Avançats de Blanes) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física)
Random encounters in space are central to describing diffusion-limited reactions, animal foraging, search processes, and many other situations in nature. These encounters, however, are often constrained by the capacity of the searcher to detect and/or recognize its target. [...]
2013 - 10.1103/PhysRevE.88.022101
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 88, Number 2 (August 2013) , p. 022101/1-022101/9  
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18.
5 p, 217.4 KB Scarcity may promote cooperation in populations of simple agents / Requejo Martínez, Rubén J. (Universitat Autònoma de Barcelona. Departament de Física) ; Camacho Castro, Juan (Universitat Autònoma de Barcelona. Departament de Física)
In the study of the evolution of cooperation, resource limitations are usually assumed just to provide a finite population size. Recently, however, it has been pointed out that resource limitation may also generate dynamical payoffs able to modify the original structure of the games. [...]
2013 - 10.1103/PhysRevE.87.022819
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 87, Number 2 (February 2013) , p. 022819/1-022819/5  
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19.
7 p, 169.7 KB Reaction-subdiffusion front propagation in a comblike model of spiny dendrites / Iomin, Alexander (Tekhniyon, Makhon ṭekhnologi le-Yiśraʾel. Merkaz rishum ṿe-ḳabalat muʻamadim) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física)
Fractional reaction-diffusion equations are derived by exploiting the geometrical similarities between a comb structure and a spiny dendrite. In the framework of the obtained equations, two scenarios of reaction transport in spiny dendrites are explored, where both a linear reaction in spines and nonlinear Fisher-Kolmogorov-Petrovskii-Piskunov reactions along dendrites are considered. [...]
2013 - 10.1103/PhysRevE.88.012706
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 88, Number 1 (July 2013) , p. 012706/1- 012706/7  
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20.
6 p, 250.3 KB Efficiency of harvesting energy from colored noise by linear oscillators / Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; Campos, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Horsthemke, Werner (Southern Methodist University. Department of Chemistry)
We investigate the performance of a linear electromechanical oscillator as an energy harvester of finite-bandwidth random vibrations. We derive exact analytical expressions for the net electrical power and the efficiency of the conversion of the power supplied by the noise into electrical power for arbitrary colored noise. [...]
2013 - 10.1103/PhysRevE.88.022124
Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 88, Number 2 (August 2013) , p. 022124/1-022124/6  
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