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An example of Kaluza-Klein-like theories leading after compactification to massless spinors coupled to a gauge field
N. S. Mankoc Borstnik, H. B. Nielsen
The genuine Kaluza-Klein-like theories (with no fields in addition to gravity with torsion) have difficulties with the existence of massless spinors after the compactification of s…
How to generate spinor representations in any dimension in terms of projection operators
N. S. Mankoc Borstnik, H. B. Nielsen
We present a method to find solutions of the Weyl or the Dirac equation without specifying a representation choice for 's. By taking 's formally as independent variables,…
Massless particles of any spin obey linear equations of motion
Bojan Gornik, Norma Mankoc Borstnik
The proof is presented that the Poincare symmetry determines the equations of motion for massless particles of any spin in 2n-dimensional spaces, which are linear in the momentum.
The Majorana particles and the Majorana sea
N. Mankoc Borstnik, H. B. Nielsen, C. D. Froggatt
Can one make a Majorana field theory for fermions starting from the zero mass Weyl theory, then adding a mass term as an interaction? The answer to this question is: yes we can. We…
Unification of spins and charges in Grassmann space and in space of differential forms
N. Mankoc Borstnik, H. B. Nielsen
Polynomials in Grassmann space can be used to describe all the internal degrees of freedom of spinors, scalars and vectors, that is their spins and charges. It was shown that Kähle…
Spins and charges in Grassmann space and Kahler spinors in space of differential forms
Norma Mankoc Borstnik, Holger Bech Nielsen
One of us got spins and charges of not only scalars and vectors but also of spinors out of fields, which are antisymmetric tensor fields. Kahler got spins of spinors out of differe…