نتایج جستجو برای: particle evolution

تعداد نتایج: 508088  

Journal: :Chinese Physics C 2021

The isospin dependence of spin-orbit (SO) splitting has become increasingly important as N/Z increases in neutron-rich nuclei. Following the initial independent-particle strategy towards explaining occurrence magic numbers, we have systematically investigated effect on shell evolution nuclei within Woods-Saxon (WS) mean-field potential plus term. It is found that new numbers N = 14 and =16 may ...

Journal: :Advanced Materials 2021

Crystallization by particle attachment (CPA) is a gradual process where each step has its own thermodynamic and kinetic constrains defining unique pathway of crystal growth. An important example biomineralization calcium carbonate through amorphous precursors that are morphed into shapes textural patterns cannot be envisioned the classical monomer-by-monomer approach. Here, mechanistic link bet...

Journal: :Plasma Physics and Controlled Fusion 2022

A beam of ultrarelativistic charged particles in a plasma can reach equilibrium with its own radial wakefield and then propagate little change shape. If some co-moving perturbation appears ahead the beam, it may or not destroy wakefield, depending on phase amplitude wakefield. We numerically study which perturbations single short bunch train many bunches at parameters interest for acceleration ...

Esmizadeh, S., Haftbaradaran, H., Mossaiby, F.,

Experiments have frequently shown that phase separation in lithium-ion battery electrodes could lead to the formation of mechanical defects, hence causing capacity fading. The purpose of the present work has been to examine stress intensity factors for pre-existing surface cracks in spherical electrode particles during electrochemical deintercalation cycling using both analytical and numerical ...

Journal: :Physical review letters 2017
Safa Jamali Gareth H McKinley Robert C Armstrong

We identify the sequence of microstructural changes that characterize the evolution of an attractive particulate gel under flow and discuss their implications on macroscopic rheology. Dissipative particle dynamics is used to monitor shear-driven evolution of a fabric tensor constructed from the ensemble spatial configuration of individual attractive constituents within the gel. By decomposing t...

2005
Nicolas Champagnat

We consider an interacting particle Markov process for Darwinian evolution in an asexual population with non-constant population size, involving a linear birth rate, a density-dependent logistic death rate, and a probability μ of mutation at each birth event. We introduce a renormalization parameter K scaling the size of the population, which leads, when K → +∞, to a deterministic dynamics for ...

Journal: :Physical review letters 2010
Y Kominis A K Ram K Hizanidis

The evolution of a charged particle distribution function under the influence of coherent electromagnetic waves in a plasma is determined from kinetic theory. For coherent waves, the dynamical phase space of particles is an inhomogeneous mix of chaotic and regular orbits. The persistence of long time correlations between the particle motion and the phase of the waves invalidates any simplifying...

2014
Yong-Jun Yuan Zhen-Tao Yu Xiao-Jie Liu Jian-Guang Cai Zhong-Jie Guan Zhi-Gang Zou

We report the utilization of colloidal MoS2 nanoparticles (NPs) for multicomponent photocatalytic water reduction systems in cooperation with a series of cyclometalated Ir(III) sensitizers. The effects of the particle size and particle dispersion of MoS2 NPs catalyst, reaction solvent and the concentration of the components on hydrogen evolution efficiency were investigated. The MoS2 NPs exhibi...

2000
A. V. Belitsky A. V. BELITSKY C. N. Yang

We describe a recent progress in finding solutions to three-particle evolution equations at leading order in the QCD coupling constant for multiparton correlation functions based on the integrability of corresponding interaction Hamiltonians. Talk given at the 4th Workshop on Continuous Advances in QCD Minneapolis, May 12-14, 2000 INTEGRABILITY OF TWIST-THREE EVOLUTION EQUATIONS IN QCD A. V. BE...

2005
Edmond Iancu

I give a physical discussion of the influence of particle number fluctuations on the high energy evolution in QCD. I emphasize the event–by–event description and the correspondence with the problem of ‘fluctuating pulled fronts’ in statistical physics. I show that the correlations generated by fluctuations reduce the phase–space for BFKL evolution up to saturation. Because of that, the evolutio...

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