Results 11 to 20 of about 9,873,801 (377)
General foundation for the nonlinear ponderomotive four-force in laser-plasma interactions
Laser and Particle Beams, 2006 The interaction of electromagnetic radiation with plasmas is studied in relativistic four-vector formalism. A gauge and Lorentz invariant ponderomotive four-force is derived from the time dependent nonlinear three-force of Hora (1985). This four-force, due to its Lorentz invariance, contains new magnetic field terms.
T. Rowlands
openaire +3 more sources
MACE: Higher Order Equivariant Message Passing Neural Networks for Fast and Accurate Force Fields [PDF]
Neural Information Processing Systems, 2022 Creating fast and accurate force fields is a long-standing challenge in computational chemistry and materials science. Recently, several equivariant message passing neural networks (MPNNs) have been shown to outperform models built using other approaches
Ilyes Batatia +4 more
semanticscholar +1 more source
Acoustic Radiation Force: A Review of Four Mechanisms for Biomedical Applications
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2021 Radiation force is a universal phenomenon in any wave motion where the wave energy produces a static or transient force on the propagation medium. The theory of acoustic radiation force (ARF) dates back to the early 19th century.
A. Sarvazyan, O. Rudenko, M. Fatemi
semanticscholar +1 more source
Epilepsia, 2022 In 2017, the International League Against Epilepsy (ILAE) Classification of Epilepsies described the “genetic generalized epilepsies” (GGEs), which contained the “idiopathic generalized epilepsies” (IGEs).
E. Hirsch +21 more
semanticscholar +1 more source
Fluidic force and wake velocity of 3D body with four limbs in uniform flow
Journal of Fluid Science and Technology, 2023 Robots that operate at a disaster site have been proposed and the dispatch of rescue robots to such site is required. However, discussion on the transport of these robots is insufficient.
Shunsuke YAMADA, Teppei TSUJITA
doaj +1 more source
Self-force approach to synchrotron radiation [PDF]
, 2000 We analyze radiation reaction for synchrotron radiation by computing, via a multipole expansion, the near field and derive from it the Lorentz four-force, which we evaluate on the world-line of the charge.
Burko, Lior M.
core +2 more sources
Beyond Four Forces: The Evolution of Psychotherapy [PDF]
Sage Open, 2019 One framework for studying the evolution or development of personality theory and psychotherapy is the concept of forces—theoretical models, paradigms, dimensions, movements, or worldviews—that have made significant contributions to and shaped the field.
Colette Fleuridas, Drew Krafcik
openaire +2 more sources
Inflation in a self-interacting gas universe [PDF]
, 1998 We show that a de Sitter spacetime is a solution of Einstein's field equations with the energy momentum tensor of a self-interacting, classical Maxwell-Boltzmann gas in collisional equilibrium.
Balakin, Alexander B., Zimdahl, Winfried
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Covariant Uniform Acceleration [PDF]
, 2013 We show that standard Relativistic Dynamics Equation F=dp/d\tau is only partially covariant. To achieve full Lorentz covariance, we replace the four-force F by a rank 2 antisymmetric tensor acting on the four-velocity.
Barut A +20 more
core +1 more source
Feasibility of novel four degrees of freedom capacitive force sensor for skin interface force
BioMedical Engineering OnLine, 2012 Background The objective of our study was to develop a novel capacitive force sensor that enables simultaneous measurements of yaw torque around the pressure axis and normal force and shear forces at a single point for the purpose of elucidating pressure
Murakami Chisato +2 more
doaj +1 more source