Related Experiment Video
Updated: Jun 23, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
Published on: July 2, 2012
Dynamical local field corrections on energy loss in plasmas of all degeneracies
1E.T.S.I. Industriales, Universidad de Castilla-La Mancha, E-13071 Ciudad Real, Spain.
Abstract:
Random phase approximation (RPA) has become one of the most used methods to describe the energy loss of charged particles in plasmas. The RPA is usually valid for high-velocity projectiles and in the weak coupling limit of the electron gas. However, for partially coupled plasmas RPA is not sufficient and the electronic coupling must be taken into account. This coupling can be considered through local field corrections. In this work, we have constructed a dynamical local field correction (DLFC) function from Mermin dielectric function. This DLFC function has the advantage to describe plasmas at any degeneracy. Mermin DLFC function is compared with other DLFC functions from the literature in the energy loss calculation. We see important differences between them; they are significant at low velocities and very relevant around the maximum, almost 30%.
Related Concept Videos
Differential Form of Maxwell's Equations
Energy Losses in Transformers
There are four main reasons for energy losses in transformers.
The first cause can be the high resistance of the copper windings...
Energy Associated With a Charge Distribution
Fermi Level Dynamics
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
Minor Losses in Pipes
Valves play a significant role in generating minor losses by obstructing or redirecting the fluid flow. When a valve is closed or partially closed, it restricts the flow...
Energy Conservation and Bernoulli's Equation
All the terms in the equation have the dimension of energy per unit volume. The kinetic energy per unit volume is called the kinetic energy density, and the potential energy per unit volume is...
