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6.444  Articles
1 of 645 pages  |  10  records  |  more records»
We consider a paradigmatic model of a quantum Brownian particle coupled to a thermostat consisting of harmonic oscillators. In the framework of a generalized Langevin equation, the memory (damping) kernel is assumed to be in the form of exponentially-deca... see more

Stock market is one of the fields where the randomness is prominent factor to be considered. Although many stochastic process deals which the randomness found in nature through the interdisciplinary subject like Econophysics, many of them exhibits cumbers... see more

To study the material behavior of axisymmetric flow in micropolar fluid for heat and mass exchange over a stretchable disk placed in porous medium taking into account the effect of heat generation, diffusion thermo, Brownian motion and thermophoretic effe... see more

AbstractOrientation: Geometric Brownian motion (GBM) model basically suggests whether the distribution of asset returns is normal or lognormal. However, many empirical studies have revealed that return distributions are usually not normal. These stud... see more

In this paper, we investigate analytical solutions of multi-time scale fractional stochastic differential equations driven by fractional Brownian motions. We firstly decompose homogeneous multi-time scale fractional stochastic differential equations drive... see more

In this paper, we propose a novel framework for the diagnosis of incipient bearing faults and trend prediction of weak faults which result in gradual aggravation with the bearing vibration intensity as the characteristic parameter. For the weak fault diag... see more

We give an explicit formula for the reciprocal maximum likelihood degree of Brownian motion tree models. To achieve this, we connect them to certain toric (or log-linear) models, and express the Brownian motion tree model of an arbitrary tree as a toric f... see more

Substantial motion is Mulla Sadra's philosophical innovation in material existence. Since the four fundamental interactions are the major topics of physics, in this comparative study, substantial motion is tested based on physical achievements. The study ... see more

The subject of research in the article is the energy spectrum of a multilayer quantum sized structure with an energy profile of a complex shape. The goal of this work is to study the interaction of quantum-confined and quasi- continuum energy states of pa... see more

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