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What (who) is multiplet$522348$ - definition

SET OF FIELDS WHICH TRANSFORM AMONG EACH OTHER UNDER SUPERSYMMETRY

Chiral superfield; Superfield; Current superfield; Chiral superspace; Vector supermultiplet; Hypermultiplet; Hypersymmetry; Hyper-symmetry; Hyper-multiplet; Vector multiplet

Isospin multiplet

Isotopic multiplet

In particle physics, isospin multiplets are families of hadrons with approximately equal masses. All particles within a multiplet, have the same spin, parity, and baryon numbers, but differ in electric charges.

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

multiplet

REPRESENTATION OF A MATHEMATICAL STRUCTURE

Multiplets

¦ noun Physics a group of closely associated things, especially closely spaced spectrum lines or atomic energy levels, or subatomic particles differing only in a single property.

Origin

1920s: from multiple, on the pattern of words such as doublet and triplet.

Multiplet

REPRESENTATION OF A MATHEMATICAL STRUCTURE

Multiplets

In physics and particularly in particle physics, a multiplet is the state space for 'internal' degrees of freedom of a particle, that is, degrees of freedom associated to a particle itself, as opposed to 'external' degrees of freedom such as the particle's position in space. Examples of such degrees of freedom are the spin state of a particle in quantum mechanics, or the color, isospin and hypercharge state of particles in the Standard model of particle physics.

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

Wikipedia

Supermultiplet

In theoretical physics, a supermultiplet is a representation of a supersymmetry algebra, possibly with extended supersymmetry.

Then a superfield is a field on superspace which is valued in such a representation. Naïvely, or when considering flat superspace, a superfield can simply be viewed as a function on superspace. Formally, it is a section of an associated supermultiplet bundle.

Phenomenologically, superfields are used to describe particles. It is a feature of supersymmetric field theories that particles form pairs, called superpartners where bosons are paired with fermions.

These supersymmetric fields are used to build supersymmetric quantum field theories, where the fields are promoted to operators.

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