Concept

Extended supersymmetry

In theoretical physics, extended supersymmetry is supersymmetry whose infinitesimal generators carry not only a spinor index , but also an additional index where is integer (such as 2 or 4). Extended supersymmetry is also called , supersymmetry, for example. Extended supersymmetry is very important for analysis of mathematical properties of quantum field theory and superstring theory. The more extended supersymmetry is, the more it constrains physical observables and parameters.

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https://en.wikipedia.org/wiki/Extended_supersymmetry

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Superspace

Superspace is the coordinate space of a theory exhibiting supersymmetry. In such a formulation, along with ordinary space dimensions x, y, z, ..., there are also "anticommuting" dimensions whose coordinates are labeled in Grassmann numbers rather than real numbers. The ordinary space dimensions correspond to bosonic degrees of freedom, the anticommuting dimensions to fermionic degrees of freedom. The word "superspace" was first used by John Wheeler in an unrelated sense to describe the configuration space of general relativity; for example, this usage may be seen in his 1973 textbook Gravitation.

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Source officielle

https://en.wikipedia.org/wiki/Extended_supersymmetry

À propos de ce résultat

Cours associés (1)

PHYS-739: Conformal Field theory and Gravity

This course is an introduction to holography, the modern approach to quantum gravity. ...

Séances de cours associées (11)

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Discute de la jauge de supersymétrie, des superchamps, des termes anormaux et des directions plates dans l'espace 4D.

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Afficher plus

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Superspace

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