Galileon暴胀在单场框架中规避PBH形成的no-go定理
Galileon inflation evades the no-go for PBH formation in the single-field framework
AI总结：
本文在有效场论框架下研究Galileon暴胀，证明其非重整化性质使慢滚到超慢滚转变中形成的原初黑洞质量不受功率谱圈修正的额外约束，从而规避了单场框架的no-go定理。
摘要：
我们在有效场论（EFT）框架中考虑Galileon暴胀，并研究在慢滚（SR）到超慢滚（USR）转变期间形成原初黑洞（PBH）的可能性。我们表明，在这种情况下，功率谱的圈修正不会对所产生PBH的质量施加额外约束。我们指出，由于广义平移对称性（称为Galilean对称性）而具有的显著的非重整化性质，保护了PBH形成免受量子圈修正的影响。
英文摘要：
We consider Galileon inflation in the Effective Field Theory (EFT) framework and examine the possibility for PBH formation during slow roll (SR) to ultra slow roll (USR) transitions. We show that loop corrections to the power spectrum, in this case, do not impose additional constraints on the masses of PBHs produced. We indicate that the remarkable non-renormalization property of Galileans due to generalized shift symmetry dubbed as Galilean symmetry is responsible for protecting PBH formation from quantum loop corrections.
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