论文标题
su（2）$ _ r $及其宇宙学的斧头：通货膨胀的常见起源，冷无菌中微子和男性生成
SU(2)$_R$ and its Axion in Cosmology: A common Origin for Inflation, Cold Sterile Neutrinos, and Baryogenesis
论文作者
论文摘要
我们引入了一个嵌入在SM的左右对称扩展中的轴承通气模型，其中$ W_R $耦合到轴上。该模型融合了现代宇宙学的三个里程碑，即通货膨胀，暗物质和巴里昂不对称。因此，它自然可以解释宇宙学参数之间观察到的巧合，即$η_{b} \ oitp_ζ$和$ω__{dm} \ simeq 5〜Ω_ {b} $。不对称的来源是通货膨胀物理学中自发的CP违规，最轻的右中微子是质量$ M_ {N_1} \ SIMS 1〜GEV $的冷暗物质候选。引入的机制不依赖中微子部门中无约束的CP侵入阶段的宽敞性，也不依赖于最重的右手中微子的微调质量。它具有两个未知的基本量表，即通货膨胀的比例$λ_ {\ rm inf} = \ sqrt {hm_ {pl}} $和左右对称破坏$λ_{f} $。足够的物质不对称要求$λ_{\ rm inf} \activeλ_{f} $。当今的重子不对称和暗物质是通货膨胀中纯量子效应（手性异常）的残余物，由于风味效应，宇宙进化记忆。
We introduce an axion-inflation model embedded in the Left-Right symmetric extension of the SM in which $W_R$ is coupled to the axion. This model merges three milestones of modern cosmology, i.e., inflation, cold dark matter, and baryon asymmetry. Thus, it can naturally explain the observed coincidences among cosmological parameters, i.e., $η_{B}\approx P_ζ$ and $Ω_{DM} \simeq 5~Ω_{B}$. The source of asymmetry is spontaneous CP violation in the physics of inflation, and the lightest right-handed neutrino is the cold dark matter candidate with mass $m_{N_1}\sim 1~GeV$. The introduced mechanism does not rely on the largeness of the unconstrained CP-violating phases in the neutrino sector nor fine-tuned masses for the heaviest right-handed neutrinos. It has two unknown fundamental scales, i.e. scale of inflation $Λ_{\rm inf}=\sqrt{HM_{Pl}}$ and left-right symmetry breaking $Λ_{F}$. Sufficient matter asymmetry demands $Λ_{\rm inf}\approxΛ_{F}$. The baryon asymmetry and dark matter today are remnants of a pure quantum effect (chiral anomaly) in inflation, which, thanks to flavor effects, are memorized by cosmic evolution.
