Results 101 to 110 of about 249,809 (313)
On the n-Dimensional Porous Medium Diffusion Equation and Global Actions of the Symmetry Group [PDF]
, 2013 By restricting to a special class of smooth functions, the local action of the symmetry group is globalized.
Franco, J.A. +3 more
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Advanced Engineering Materials, EarlyView.A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm +3 more
wiley +1 more source
Localization of Gauge Theories on the Three-Sphere [PDF]
, 2012 We describe the application of localization techniques to the path integral for supersymmetric gauge theories in three dimensions. The localization procedure reduces the computation of the expectation value of BPS observables to a calculation in a matrix
Yaakov, Itamar, Itamar Yaakov
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Bell Inequalities and Group Symmetry [PDF]
International Journal of Theoretical Physics, 2017 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire +1 more source
Advanced Engineering Materials, EarlyView.This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang +3 more
wiley +1 more source
The Language of Spheres in Physics
UniversePhysical laws manifest themselves through the amalgamation of mathematical symbols, numbers, functions, geometries, and relationships. These intricate combinations unfold within a mathematical model devised to capture and represent the “objective reality”
Jean-Pierre Gazeau
doaj +1 more source
Extended topological group structure due to average reflection symmetry
New Journal of Physics, 2015 We extend the single-particle topological classification of insulators and superconductors to include systems in which disorder preserves average reflection symmetry.
M Diez +3 more
doaj +1 more source
Nonlinear dynamics of networks : the groupoid formalism [PDF]
, 2006 A formal theory of symmetries of networks of coupled dynamical systems, stated in terms of the group of permutations of the nodes that preserve the network topology, has existed for some time. Global network symmetries impose strong constraints on the
Ian Stewart +3 more
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Advanced Engineering Materials, EarlyView.Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni +7 more
wiley +1 more source
Karl Popper and the Mechanisms of Hydrogen Embrittlement
Advanced Engineering Materials, EarlyView.Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley +1 more source