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This model showed why the density of conduction electrons (as represented by the Wigner–Seitz radius r s) is an important parameter in determining work function. The jellium model is only a partial explanation, as its predictions still show significant deviation from real work functions.
This article describes the mathematics of the Standard Model of particle physics, a gauge quantum field theory containing the internal symmetries of the unitary product group SU(3) × SU(2) × U(1). The theory is commonly viewed as describing the fundamental set of particles – the leptons , quarks , gauge bosons and the Higgs boson .
This WikiProject exists to improve the quality of existing articles related to physics, to create articles to cover a broader range of physics topics, and to categorize and link them in appropriate ways. The result of this work should be articles that are accessible to the lay reader and yet are also useful to the professional working in the field.
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.
In statistical mechanics, a universality class is a collection of mathematical models which share a single scale-invariant limit under the process of renormalization group flow. While the models within a class may differ dramatically at finite scales, their behavior will become increasingly similar as the limit scale is approached.
[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 ancient Greek understanding of physics was limited to the statics of simple machines (the balance of forces), and did not include dynamics or the concept of work. During the Renaissance the dynamics of the Mechanical Powers, as the simple machines were called, began to be studied from the standpoint of how far they could lift a load, in addition to the force they could apply, leading ...
She graduated with first class honors, and was awarded the Tait Medal in 1979, [4] Robert Schlapp Prize, and the Class medal. [citation needed] Gardner completed her D.Phil. studies at Oxford under the supervision of I.J.R. Aitchison. Her thesis was in particle physics, and focused on non-Abelian gauge theories. Despite fulfilling requirements ...