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sine-Gordon model; Thirring model; sinh-Gordon model; Liouville field theory; Bullough–Dodd model; Dym equation; Calogero–Degasperis–Fokas equation; Camassa–Holm equation; Drinfeld–Sokolov–Wilson equation; Benjamin–Ono equation; SS model; sausage model; Toda field theories; O(N)-symmetric non-linear sigma models; Ernst equation ...
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetic, weak and strong interactions – excluding gravity) in the universe and classifying all known elementary particles.
Articles relating to physical models, smaller or larger physical copies of an object. The object being modelled may be small (for example, an atom) or large (for example, the Solar System ). Subcategories
The free field model can be solved exactly, and then the solutions to the full model can be expressed as perturbations of the free field solutions, for example using the Dyson series. It should be observed that the decomposition into free fields and interactions is in principle arbitrary.
Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain, and predict natural phenomena. This is in contrast to experimental physics , which uses experimental tools to probe these phenomena.
The hybrid model is a combination of fluid and kinetic models, treating some components of the system as a fluid, and others kinetically. The hybrid model is sometimes applied in space physics , when the simulation domain exceeds thousands of ion gyroradius scales, making it impractical to solve kinetic equations for electrons.
[4] [5] Through the AdS/QCD correspondence this model can be related to technicolor models and to "UnHiggs" models in which the Higgs field is of unparticle nature. [6] Models of composite W and Z vector bosons. [7] [8] Top quark condensate. "Unitary Weyl gauge". By adding a suitable gravitational term to the standard model action in curved ...
The Reynolds stress equation model (RSM), also referred to as second moment closure model, [12] is the most complete classical turbulence modelling approach. Popular eddy-viscosity based models like the k–ε (k–epsilon) model and the k–ω (k–omega) models have significant shortcomings in complex engineering flows. This arises due to the ...