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gr-qc2025
Primordial black hole formation in k-inflation models
Neven Bilić, Dragoljub D. Dimitrijević, Goran S. Djordjevic +2
The local primordial density fluctuations caused by quantum vacuum fluctuations during inflation grow into stars and galaxies in the late universe and, if they are large enough, al…
gr-qc2025★ 2 cited
A scaling invariance of the perturbations in -inflation models
Neven Bilić, Dragoljub D. Dimitrijević, Goran S. Djordjevic +2
We study the background and perturbations in -essence inflation models and show that a general -essence exhibits a simple scaling property. In particular, we study two classe…