Search results
Results from the WOW.Com Content Network
Unlike typical diffusion, anomalous diffusion is described by a power law, = where is the so-called generalized diffusion coefficient and is the elapsed time. The classes of anomalous diffusions are classified as follows:
Fick's first law relates the diffusive flux to the gradient of the concentration. It postulates that the flux goes from regions of high concentration to regions of low concentration, with a magnitude that is proportional to the concentration gradient (spatial derivative), or in simplistic terms the concept that a solute will move from a region of high concentration to a region of low ...
Diffusion is the net movement of anything (for example, atoms, ions, ... Anomalous diffusion – Diffusion process with a non-linear relationship to time;
The gyro-center shift analysis also reported the turbulence induced diffusion coefficient which is responsible for the anomalous diffusion in many fusion devices; described as (/) (/) (/). [9] This means different two diffusion mechanisms (the arc discharge diffusion such as Bohm's experiment and the turbulence induced diffusion such as in the ...
CTRW was introduced by Montroll and Weiss [4] as a generalization of physical diffusion processes to effectively describe anomalous diffusion, i.e., the super- and sub-diffusive cases. An equivalent formulation of the CTRW is given by generalized master equations. [5]
The Fokker–Planck equation for this particle is the Smoluchowski diffusion equation: (, |,) = [(()) (, |,)] Where is the diffusion constant and =. The importance of this equation is it allows for both the inclusion of the effect of temperature on the system of particles and a spatially dependent diffusion constant.
The AI Diffusion rule — as well as news of major tech companies cutting orders of Nvidia’s latest Blackwell AI server racks due to overheating issues — sent Nvidia shares down nearly 2% to ...
Instead the diffusion may be better described as anomalous diffusion, where the temporal dependence of the MSD is non-linear as in the power-law: = where is an anomalous diffusion coefficient. "Anomalous diffusion" commonly refers only to this very generic model, and not the many other possibilities that might be described as anomalous.