作为中微子跷跷板微观起源的动力学扭转
Dynamical torsion as the microscopic origin of the neutrino seesaw
摘要：
假设在量子引力中存在两个尺度。公制在普朗克质量量级的尺度上波动。第二尺度$M_T$与扭转的波动有关。我们假设，它可能低至$M_T \sim 1$ TeV。由于对挠率的非最小耦合，费米子之间出现了吸引相互作用。非最小耦合允许不同费米子出现不同的耦合常数.这开启了一种可能性，即与挠率的相互作用给出了右手中微子的马约拉纳质量（假设其量级为$M_T$）。我们假设中微子的狄拉克质量都接近于电子的质量，这就得到轻中微子的质量为$\le 0.25$ eV。此外，该模型还预测了Majorons的出现，这可能有助于暗物质以及$125$ GeV希格斯玻色子的不可见衰变。
英文摘要：
It is assumed, that there are two scales in quantum gravity. Metric fluctuates at the scales of the order of the Plank mass. The second scale $M_T$ is related to the fluctuations of torsion. We suppose, that it may be as low as $M_T \sim 1$ TeV. Due to the non - minimal coupling to torsion the attractive interaction between the fermions appears. The non - minimal coupling admits the appearance of different coupling constants for different fermions. This opens the possibility that the interaction with torsion gives the Majorana masses for the right - handed neutrinos (that are assumed to be of the order of $M_T$). We suppose, that the Dirac masses for the neutrino are all close to the mass of electron. This gives the light neutrino masses $\le 0.25$ eV. In addition, the model predicts the appearance of Majorons that may contribute to the dark matter as well as to the invisible decay of the $125$ GeV Higgs boson.
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