Luiz Antônio Barreiro
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View article: Computational modeling of diffusive dynamics in a bouncer system with an irregular surface
Computational modeling of diffusive dynamics in a bouncer system with an irregular surface Open
The horizontal dynamics of a bouncing ball interacting with an irregular surface is investigated and is found to demonstrate behavior analogous to a random walk. Its stochastic character is substantiated by the calculation of a permutation…
View article: Phase Transition and Diffusion in an Adiabatic Bouncer Model
Phase Transition and Diffusion in an Adiabatic Bouncer Model Open
This study examines anomalous diffusion and dynamical phase transitions in a nonlinear bouncer model with short-range interactions leading to velocity-dependent (adiabatic) collisions. By varying a control parameter, transitions between su…
View article: Controlled diffusion processes in an adiabatic model of a bouncing ball
Controlled diffusion processes in an adiabatic model of a bouncing ball Open
This study explores the integration of a diffusion control parameter into the chaotic dynamics of a modified bouncing ball model. By extending beyond simple elastic collisions, the model introduces elements that affect the diffusive behavi…
View article: f(R,T) Analogue Gravity in (2+1) D graphene sheet
f(R,T) Analogue Gravity in (2+1) D graphene sheet Open
We examine the analogue gravity model within the context of f(R,T) gravity applied to graphene. The derivation of the Lagrangian density in two dimensions (2D) is undertaken, accounting for the altered gravitational effects as characterize…
View article: Normal and anomalous diffusion in a bouncing ball over an irregular surface
Normal and anomalous diffusion in a bouncing ball over an irregular surface Open
The problem of a bouncing ball on a non-planar surface is investigated. We discovered that surface undulation adds a horizontal component to the impact force, which acquires a random character. Some aspects of Brownian motion are found in …
View article: Demonstrating open superstring amplitude relationship with Yang-Mills theory based on dual model limit
Demonstrating open superstring amplitude relationship with Yang-Mills theory based on dual model limit Open
This paper demonstrates the relationship between superstrings, Yang-Mills fields, and dual models. We discovered a novel and profound connection between these theories and their respective prescriptions for the calculation of scattering am…
View article: Rod-like particles growing in sol–gel processing of 1:1 molar mixtures of 3-glycidoxypropyltrimethoxysilane and tetraethoxysilane
Rod-like particles growing in sol–gel processing of 1:1 molar mixtures of 3-glycidoxypropyltrimethoxysilane and tetraethoxysilane Open
The growth kinetics and the structure of organic/silica hybrids prepared from acid hydrolysis of 1:1 molar mixtures of 3-glycidoxypropyltrimethoxysilane and tetraethoxysilane were studied by small-angle X-ray scattering (SAXS) at 315, 325 …
View article: Thermodynamics of a time-dependent and dissipative oval billiard: A heat transfer and billiard approach
Thermodynamics of a time-dependent and dissipative oval billiard: A heat transfer and billiard approach Open
We study some statistical properties for the behavior of the average squared velocity-hence the temperature-for an ensemble of classical particles moving in a billiard whose boundary is time dependent. We assume the collisions of the parti…