A framework to a mass-dimension-one fermionic sigma model

被引：10
|
作者：
Bueno Rogerio, R. J. [1 ]
Hoff da Silva, J. M. [1 ]
Pereira, S. H. [1 ]
da Rocha, Roldao [2 ]
机构：
[1] Univ Estadual Paulista, Dept Quim & Fis, Ave Dr Ariberto Pereira da Cunha 333, Guaratingueta, SP, Brazil
[2] Univ Fed ABC, Ctr Matemat Comp & Cognicao, BR-09210580 Santo Andre, Brazil
来源：
EPL | 2016年 / 113卷 / 06期
基金：
巴西圣保罗研究基金会;
关键词：
ELKO;
D O I：
10.1209/0295-5075/113/60001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper a mass-dimension-one fermionic sigma model, realized by the eigen-spinors of the charge conjugation operator with dual helicity (Elko spinors), is developed. Such spinors are chosen as a specific realization of mass-dimension-one spinors, wherein the non-commutative fermionic feature is ruled by torsion. Moreover, we analyse Elko spinors as a source of matter in a background in expansion and we have found that such kind of mass-dimension-one fermions can serve not only as dark matter but they also induce an effective cosmological constant. Copyright (C) EPLA, 2016
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页数：6
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