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Related papers: Some Remarks on dual helicity flag-dipole spinors

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In this communication we briefly report an unexpected theoretical discovery which emerge from the mapping of Elko mass-dimension-one spinors into single helicity spinors. Such procedure unveils a class of spinor which is classified as…

High Energy Physics - Theory · Physics 2019-04-09 C. H. Coronado Villalobos , R. J. Bueno Rogerio , E. F. T. São Sabbas

The so-called Lounesto's classification engenders six distinct classes of spinors, divided into two sectors: one composed by regular spinors (single-helicity spinors) and the other composed by singular spinors (comprising dual-helicity…

General Physics · Physics 2019-11-19 R. J. Bueno Rogerio

In this report we advance in exploring further details concerning the formal aspects of the construction of a Flag-dipole spinor. We report a (re-)definition of the dual structure which provide a Lorentz invariant and non-null norm,…

High Energy Physics - Theory · Physics 2019-12-10 R. J. Bueno Rogerio , C. H. Coronado Villalobos , A. R. Aguirre

In this manuscript we report the flag-dipole spinors dual structure direct definition and analyze the properties behind the corresponding operator which generates such structure. This particular construction may be interesting for…

Mathematical Physics · Physics 2020-05-11 R. J. Bueno Rogerio , A. R. Aguirre , C. H. Coronado Villalobos

In the present communication we employ a split programme applied to spinors belonging to the regular and singular sectors of the Lounesto's classification, looking towards to unveil how it can be built or defined upon two spinors…

Mathematical Physics · Physics 2020-04-03 R. J. Bueno Rogerio

We employ the polar re-formulation of spinor fields to see in a new light their classification into regular and singular spinors, these last also called flag-dipoles, further splitting into the sub-classes of dipoles and flagpoles: in…

Mathematical Physics · Physics 2024-06-06 Luca Fabbri

This paper proves that from the algebraic point of view ELKO spinor fields belong together with Majorana spinor fields to a wider class of spinor fields, the so-called flagpole spinor fields, corresponding to the class 5, according to…

Mathematical Physics · Physics 2008-11-26 Roldao da Rocha , Waldyr Alves Rodrigues

The Lounesto spinor classification is an important tool in fundamental physics, because it makes explicit the pleiade of spinors types, beyond the used in quantum field theory (QFT). In this work, we show how the classification emerges in…

Mathematical Physics · Physics 2017-03-13 J. A. Silva Neto

We recall the Lounesto classification of 1/2-spin spinor fields, based on the vanishing of spinorial bilinear quantities: the classes are the regular spinor fields (i.e. the Dirac field), as well as singular spinor fields, also known as…

Mathematical Physics · Physics 2026-01-26 Luca Fabbri

Dual-helicity eigenspinors of the charge conjugation operator (ELKO spinor fields) belong, together with Majorana spinor fields, to a wider class of spinor fields, the so-called flagpole spinor fields, corresponding to the class (5),…

Mathematical Physics · Physics 2008-11-26 Roldao da Rocha , Julio M. Hoff da Silva

This paper aims to give a coordinate based introduction to the so-called Lounesto spinorial classification scheme. We introduce the main ideas and aspects of this spinorial categorization in an argumentative basis, after what we delve into…

General Physics · Physics 2017-11-01 J. M. Hoff da Silva , R. T. Cavalcanti

The Lounesto classification is a well-established scheme for categorizing spinors based on their physical content, which are determined by their associated bilinear forms. It consists of six disjoint classes encompassing the known spinors…

Mathematical Physics · Physics 2025-02-28 R. J. Bueno Rogerio , R. T. Cavalcanti , C. H. Coronado Villalobos , J. M. Hoff da Silva

In this paper we discuss fundamental aspects related to the helicity and dynamics of the spin-$1/2$ fermions encompassed within the very well-known Lounesto's classification. More specifically, we investigate how the bi-spinorial structures…

Mathematical Physics · Physics 2021-06-23 C. H. Coronado Villalobos , R. J. Bueno Rogerio , A. R. Aguirre

In a previous paper we explicitly constructed a mapping that leads Dirac spinor fields to the dual-helicity eigenspinors of the charge conjugation operator (ELKO spinor fields). ELKO spinor fields are prime candidates for describing dark…

Mathematical Physics · Physics 2011-02-08 Roldao da Rocha , J. M. Hoff da Silva

The spinor-helicity formalism in particle physics gives rise to natural subvarieties in the product of two Grassmannians. These include two-step flag varieties for subspaces of complementary dimension. Taking Hadamard products leads to…

Algebraic Geometry · Mathematics 2025-08-27 Yassine El Maazouz , Anaëlle Pfister , Bernd Sturmfels

In this paper we advance into a generalized spinor classification, based on the so-called Lounesto's classification. The program developed here is based on an existing freedom on the spinorial dual structures definition, which, in a certain…

High Energy Physics - Theory · Physics 2020-03-12 C. H. Coronado Villalobos , R. J. Bueno Rogerio , A. R. Aguirre , D. Beghetto

We define a two-dimensional space called the spinor-plane, where all spinors that can be decomposed in terms of Restricted Inomata-McKinley (RIM) spinors reside, and describe some of its properties. Some interesting results concerning the…

Mathematical Physics · Physics 2019-04-09 D. Beghetto , R. J. Bueno Rogerio , C. H. Coronado Villalobos

Flagpole and flag-dipole spinors are particular classes of spinor fields that has been recently used in different branches of theoretical physics. In this paper, we study the possibility and consequences of these spinor fields to induce an…

High Energy Physics - Theory · Physics 2017-03-02 Roldao da Rocha , R. T. Cavalcanti

In this paper, we perform the polar analysis of the spinorial fields, starting from the regular cases and up to the singular cases: we will give for the first time the polar form of the spinorial field equations for the singular cases…

General Physics · Physics 2020-09-24 Luca Fabbri , Rodolfo José Bueno Rogerio

A spinor fields classification with non-Abelian gauge symmetries is introduced, generalizing the the U(1) gauge symmetries-based Lounesto's classification. Here, a more general classification, contrary to the Lounesto's one, encompasses…

High Energy Physics - Theory · Physics 2018-03-28 Luca Fabbri , Roldao da Rocha
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