scholarly journals Lagrangian theory of structure formation in relativistic cosmology. IV. Lagrangian approach to gravitational waves

2017 ◽  
Vol 96 (12) ◽  
Author(s):  
Fosca Al Roumi ◽  
Thomas Buchert ◽  
Alexander Wiegand
Keyword(s):  
Gravitational Waves ◽  
Structure Formation ◽  
Lagrangian Approach ◽  
Relativistic Cosmology

scholarly journals The holographic spacetime model of cosmology

2018 ◽  
Vol 27 (14) ◽  
pp. 1846005 ◽  
Author(s):  
Tom Banks ◽  
W. Fischler
Keyword(s):  
Dark Matter ◽  
Gravitational Waves ◽  
Structure Formation ◽  
Big Bang ◽  
Baryon Asymmetry ◽  
Gaussian Fluctuations ◽  
Primordial Gravitational Waves ◽  
Conventional Models ◽  
Non Gaussian ◽  
The Big Bang

This essay outlines the Holographic Spacetime (HST) theory of cosmology and its relation to conventional theories of inflation. The predictions of the theory are compatible with observations, and one must hope for data on primordial gravitational waves or non-Gaussian fluctuations to distinguish it from conventional models. The model predicts an early era of structure formation, prior to the Big Bang. Understanding the fate of those structures requires complicated simulations that have not yet been done. The result of those calculations might falsify the model, or might provide a very economical framework for explaining dark matter and the generation of the baryon asymmetry.

scholarly journals Lagrangian theory of structure formation in relativistic cosmology. V. Irrotational fluids

2018 ◽  
Vol 98 (4) ◽  
Author(s):  
Yong-Zhuang Li ◽  
Pierre Mourier ◽  
Thomas Buchert ◽  
David L. Wiltshire
Keyword(s):  
Structure Formation ◽  
Relativistic Cosmology
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