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质量维度一费米子：修订间差异

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机器人：多次引用同一个参考文献只需定义一次（3个新参考文献，以及调用了3次新参考文献。）
 
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Annalen Phys. '''16''', 38 (2007)
Annalen Phys. '''16''', 38 (2007)
[[doi:10.1002/andp.200610216]]
[[doi:10.1002/andp.200610216]]
[gr-qc/0607088].</ref>。Abhishek Basak和同事们认为，快速滚动的宇宙膨胀吸引子点对于Elko来说是独一无二的，它独立于潜在的形式<ref>S.H. Pereira et al.
[gr-qc/0607088].</ref>。Abhishek Basak和同事们认为，快速滚动的宇宙膨胀吸引子点对于Elko来说是独一无二的，它独立于潜在的形式<ref name="#1">S.H. Pereira et al.
Λ(t) cosmology induced by a slowly varying Elko field, JCAP '''1701''', no. 01, 055 (2017)
Λ(t) cosmology induced by a slowly varying Elko field, JCAP '''1701''', no. 01, 055 (2017)
[[doi:10.1088/1475-7516/2017/01/055]]
[[doi:10.1088/1475-7516/2017/01/055]]
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Fermion localization mechanism with derivative geometrical coupling on branes,
Fermion localization mechanism with derivative geometrical coupling on branes,
arXiv:1701.02429 [hep-th] https://arxiv.org/abs/1701.02429 {{Wayback|url=https://arxiv.org/abs/1701.02429 |date=20190403134009 }}.</ref>
arXiv:1701.02429 [hep-th] https://arxiv.org/abs/1701.02429 {{Wayback|url=https://arxiv.org/abs/1701.02429 |date=20190403134009 }}.</ref>
<ref name="#1"/>
<ref>S.H. Pereira et al.
Λ(t) cosmology induced by a slowly varying Elko field, JCAP '''1701''', no. 01, 055 (2017)
[[doi:10.1088/1475-7516/2017/01/055]]
[arXiv:1608.02777 [gr-qc]].</ref>
<ref>A. Basak and S. Shankaranarayanan,
<ref>A. Basak and S. Shankaranarayanan,
Super-inflation and generation of first order vector perturbations in ELKO,
Super-inflation and generation of first order vector perturbations in ELKO,
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[[doi:10.1103/PhysRevD.78.104001]]
[[doi:10.1103/PhysRevD.78.104001]]
[arXiv:0809.0469 [gr-qc]].</ref>
[arXiv:0809.0469 [gr-qc]].</ref>
<ref>D. Gredat and S. Shankaranarayanan,
<ref name="#2">D. Gredat and S. Shankaranarayanan,
Modified scalar and tensor spectra in spinor driven inflation,
Modified scalar and tensor spectra in spinor driven inflation,
JCAP '''1001''', 008 (2010)
JCAP '''1001''', 008 (2010)
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[[doi:10.1103/PhysRevD.77.123535]]
[[doi:10.1103/PhysRevD.77.123535]]
[arXiv:0804.0616 [astro-ph]].</ref>
[arXiv:0804.0616 [astro-ph]].</ref>
<ref name="#2"/>
<ref>D. Gredat and S. Shankaranarayanan,
Modified scalar and tensor spectra in spinor driven inflation,
JCAP '''1001''', 008 (2010)
[[doi:10.1088/1475-7516/2010/01/008]]
[arXiv:0807.3336 [astro-ph]].</ref>
<ref>C. G. Boehmer and J. Burnett,
<ref>C. G. Boehmer and J. Burnett,
Dark spinors with torsion in cosmology,
Dark spinors with torsion in cosmology,
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Extended set of Majorana spinors, a new dispersion relation, and a preferred frame,
Extended set of Majorana spinors, a new dispersion relation, and a preferred frame,
hep-ph/0305336 https://arxiv.org/abs/hep-ph/0305336 {{Wayback|url=https://arxiv.org/abs/hep-ph/0305336 |date=20200812055606 }}.</ref>
hep-ph/0305336 https://arxiv.org/abs/hep-ph/0305336 {{Wayback|url=https://arxiv.org/abs/hep-ph/0305336 |date=20200812055606 }}.</ref>
<ref>V. V. Dvoeglazov,
<ref name="#3">V. V. Dvoeglazov,
Neutral particles in light of the Majorana-Ahluwalia ideas,
Neutral particles in light of the Majorana-Ahluwalia ideas,
Int. J. Theor. Phys. '''34''', 2467 (1995)
Int. J. Theor. Phys. '''34''', 2467 (1995)
[[doi:10.1007/BF00670779]]
[[doi:10.1007/BF00670779]]
[hep-th/9504158].</ref>
[hep-th/9504158].</ref>
<ref name="#3"/>中。
<ref>V. V. Dvoeglazov,
Neutral particles in light of the Majorana-Ahluwalia ideas,
Int. J. Theor. Phys. '''34''', 2467 (1995)
[[doi:10.1007/BF00670779]]
[hep-th/9504158].</ref>中。


阿鲁瓦利亚在2017年解释了如何规避温伯格不走定理。同样在2017年发现<ref>D. V. Ahluwalia,
阿鲁瓦利亚在2017年解释了如何规避温伯格不走定理。同样在2017年发现<ref>D. V. Ahluwalia,

2022年6月23日 (四) 11:22的最新版本

在理论物理学和宇宙学中，半自旋质量维度一费米子（mass dimension one fermions of spin one half）是暗物质的候选者。这些费米子与已知的物质粒子，如电子或中微子，有着根本的不同。尽管它们被有着半自旋，但它们并不是由著名的狄拉克体系描述的，而是由一种旋量克莱恩-戈登体系（spinorial Klein-Gordon formalism）描述的。

2004年，Dharam Vir Ahluwalia（IIT Guwahati）与Daniel Grumiller合作，提出了一个关于质量维度一半自旋费米子的意外理论发现 [1] [2]。在随后的十年中，许多小组探索了新构造有趣的数学和物理性质，而D. V. Ahluwalia 和他的学生进一步完善了体系 [3] [4] [5] [6] [7] [8] [9] [10] [11] [12][13] [14] [15] [16]。

然而，体系有两个令人不安的特点，即非局域性和对洛伦兹对称的微妙破坏。这两个问题的起源现在被追溯到一个隐藏的自由定义，旋量和伴随的关联场[17]。因此，现在有了一个全新的自旋半费米子量子理论，它不存在上述所有问题。新费米子的相互作用不仅限于四维四次自相互作用，而且限于与希格斯粒子的四维耦合。新费米子与中微子的广义Yukawa耦合提供了迄今为止未被怀疑的轻子数违反来源。因此，新的费米子为标准模型的狄拉克费米子提出了一个第一原则，暗物质伙伴与质量维度的对比，后者为三个半费米子与前者为一个半费米子，而没有改变费米子到玻色子的统计数据。

质量维度一费米子自旋半场用Elko场作为其展开系数。Elko是最初德语 "Eigenspinoren des Ladungskonjugationsoperators"的缩写，表示自旋体，它们是电荷共轭算符的本征自旋体。由于新费米子的质量维数与标准模型物质场不匹配，他们被认为是暗物质的候选者。由于它们的类标量质量维数，它们与质量维数3/2狄拉克费米子有显著差异[18]。

质量维度一费米子通过提供第一原理暗物质和暗能量场，对宇宙学有着意想不到的影响。2005年Ahluwalia-Grumiller 论文发表后，Christian Boehmer率先将Elko应用到宇宙学中，并认为Elko不仅是主要的暗物质候选者，也是宇宙膨胀的主要候选者[19]。Einstein–Cartan–Elko系统由Boehmer首次引入宇宙学中。其他人已经证明，Elko也可以诱导一个时变的宇宙学常数[20]。Abhishek Basak和同事们认为，快速滚动的宇宙膨胀吸引子点对于Elko来说是独一无二的，它独立于潜在的形式[21] [22]。Roldao da Roch研究了膜上的Elko局域化现象[23] [24]，并将其作为一种探索时空奇异拓扑特征的工具[25]。

以下参考文献作为Elko场和质量维度一费米子的参考 [26] [27] [28] [21] [29] [30] [31] [32] [33] [34] [35] [36] [37][38] [39] [40] [41] [42] [43] [39] [44] [45] [46] [47] [48] [48]中。

阿鲁瓦利亚在2017年解释了如何规避温伯格不走定理。同样在2017年发现[49][50]，质量维度一费米子即使没有宇宙学常数，也能通过量子效应诱导一个“宇宙学常数”项。这些导致非消失的效应可能是早期宇宙阶段膨胀阶段的原因。此外，对于较晚的演化，对应于具有时变宇宙学项的模型，这种量子效应与先前的最新研究一致[51]。


参考文献

[编辑]
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