scholarly journals Schwinger effect in 4D de Sitter space and constraints on magnetogenesis in the early universe

2014 ◽  
Vol 2014 (10) ◽  
Author(s):  
Takeshi Kobayashi ◽  
Niayesh Afshordi
Keyword(s):  
Early Universe ◽  
De Sitter Space ◽  
De Sitter ◽  
Schwinger Effect

scholarly journals Formation of Conserved Charge at the de Sitter Space

Particles ◽  
2020 ◽  
Vol 3 (2) ◽  
pp. 355-363
Author(s):  
Valery V. Nikulin ◽  
Polina M. Petriakova ◽  
Sergey G. Rubin
Keyword(s):  
Early Universe ◽  
Extra Dimensions ◽  
De Sitter Space ◽  
Lepton Number ◽  
Relaxation Processes ◽  
Two Dimensional ◽  
Charge Accumulation ◽  
De Sitter ◽  
Extra Space

The article considers a new mechanism of charge accumulation in the early Universe in theories with compact extra dimensions. The relaxation processes in the extra space metric that take place during its formation lead to the establishment of symmetrical extra space configuration. As a result, the initial accumulation of the number associated with the symmetry occurs. We demonstrate this mechanism using a simple example of a two-dimensional apple-like extra space metric with U ( 1 ) -symmetry. The conceptual idea of the mechanism can be used to develop a model for the production of the baryon or lepton number in the early Universe.

scholarly journals Multifaceted Schwinger effect in de Sitter space

2017 ◽  
Vol 96 (2) ◽  
Author(s):  
Ramkishor Sharma ◽  
Suprit Singh
Keyword(s):  
De Sitter Space ◽  
De Sitter ◽  
Schwinger Effect

On negative mass in inflating universes

2015 ◽  
Vol 93 (9) ◽  
pp. 966-967 ◽  
Author(s):  
Jonathan Belletête ◽  
Saoussen Mbarek ◽  
M.B. Paranjape
Keyword(s):  
Early Universe ◽  
De Sitter Space ◽  
De Sitter ◽  
Negative Mass ◽  
Physical Sense

We consider negative mass solutions in inflating universes. These universes correspond to asymptotically de Sitter space–times. We show that negative mass makes perfect physical sense and could be of relevance in the early universe.

scholarly journals Holographic Schwinger effect in de Sitter space

2015 ◽  
Vol 91 (8) ◽  
Author(s):  
Willy Fischler ◽  
Phuc H. Nguyen ◽  
Juan F. Pedraza ◽  
Walter Tangarife
Keyword(s):  
De Sitter Space ◽  
De Sitter ◽  
Schwinger Effect

scholarly journals Schwinger effect in de Sitter space

2014 ◽  
Vol 2014 (04) ◽  
pp. 009-009 ◽  
Author(s):  
Markus B. Fröb ◽  
Jaume Garriga ◽  
Sugumi Kanno ◽  
Misao Sasaki ◽  
Jiro Soda ◽  
...  
Keyword(s):  
De Sitter Space ◽  
De Sitter ◽  
Schwinger Effect

scholarly journals Fermionic Schwinger effect and induced current in de Sitter space

2016 ◽  
Vol 2016 (07) ◽  
pp. 010-010 ◽  
Author(s):  
Takahiro Hayashinaka ◽  
Tomohiro Fujita ◽  
Jun'ichi Yokoyama
Keyword(s):  
De Sitter Space ◽  
Induced Current ◽  
De Sitter ◽  
Schwinger Effect
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