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A mathematical object associated with group representations, often used in theoretical physics to model certain topological properties of space. Spinors resemble vectors but change sign (that is, they are multiplied by -1) when rotated 360 degrees.

[spin + -or (on the model of tensor vector).]


(General Physics) physics a type of mathematical object
References in periodicals archive ?
A Spinorial Approach to Riemannian and Conformal Geometry
They cover basic spinorial material, lowest eigenvalues of the Dirac operator on closed spin manifolds, special spinor field and geometries, and Dirac spectra of model spaces.
A spinorial connection then indicates how nearby spinors are related as a consequence of geometry.
In [4], Friedrich gave a spinorial characterization of surfaces in the Euclidean 3-space.
At a level for graduate or undergraduate students of physics, they discuss general field theory, general problems of field quantization, the quantization of the scalar field, the quantization of the electromagnetic field, the quantization of the spinorial field, general problems of field interactions, and divergent and non-divergent second-order processes.
Besides this, the field [psi] exhibits not a spinorial character.
mu]v] there are more than one anticommuting Majorana spinorial charges (supersymmetry generators [P.
Besides this, the field [PSI] has not a spinorial character.
1/4] is that it encodes the spinorial degrees of freedom of the electron, like the factor of 8[pi] encodes the two-helicity states of the massless photon.