scholarly journals PRIMORDIAL BLACK HOLE FORMATION FROM INFLATON

2000 ◽  
Vol 09 (06) ◽  
pp. 705-710 ◽  
Author(s):  
XIN HE MENG ◽  
BIN WANG ◽  
S. FENG

Measurements of the distances to SNe Ia have produced strong evidence that the expansion of the Universe is really accelarating, implying the existence of a nearly uniform component of dark energy with the simplest explanation as a cosmological constant. In this paper a small changing cosmological term is proposed, which is a function of a slow-rolling scalar field, by which the de Sitter primordial black holes' properties, for both charged and uncharged cases, are carefully examined and the relationship between the black hole formation and the energy transfer of the inflaton is eluciated. The criterion for primordial black hole formation is given.

2016 ◽  
Vol 833 (1) ◽  
pp. 61 ◽  
Author(s):  
Tomohiro Harada ◽  
Chul-moon Yoo ◽  
Kazunori Kohri ◽  
Ken-ichi Nakao ◽  
Sanjay Jhingan

2019 ◽  
Vol 79 (11) ◽  
Author(s):  
Florian Kühnel ◽  
Katherine Freese

AbstractThe effect of large quantum fluctuations on primordial black-hole formation for inflationary models with a quasi-inflection point is investigated. By using techniques of stochastic inflation in combination with replica field theory and the Feynman–Jensen variational method, it is non-perturbatively demonstrated that the abundance of primordial black holes is amplified by several orders of magnitude as compared to the classical computation.


2020 ◽  
Vol 101 (4) ◽  
Author(s):  
Albert Escrivà ◽  
Cristiano Germani ◽  
Ravi K. Sheth

2015 ◽  
Vol 91 (8) ◽  
Author(s):  
Tomohiro Harada ◽  
Chul-Moon Yoo ◽  
Tomohiro Nakama ◽  
Yasutaka Koga

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