Results 51 to 60 of about 208 (75)

Traces of Extra Dimensions in Cosmology [PDF]

open access: yes, 2010
In this thesis, we discuss the observational consequences of extra dimensions on cosmological phenomena. We begin with an overview of extra dimensions, from the initial ideas of Kaluza and Klein to the more recent concept of braneworld models and in ...
O'Callaghan, Eimear Eileen   +1 more
core  

The enhancon mechanism in string theory [PDF]

open access: yes, 2002
The enhancon mechanism is a specific phenomenon in string theory which resolves a certain naked spacetime singularity arising in the supergravity description related to N = 2 supersymmetric pure gauge theory.
Järv, Laur
core  

Relativistic cosmology and large-scale structure [PDF]

open access: yes, 2008
Challinor, A., Maartens, Roy, Tsagas, C.
core   +1 more source

Braneworld black holes and black strings [PDF]

open access: yes, 2008
This thesis involves the study of strong and weak gravity phenomenology within the braneworld paradigm. We begin with a general overview of the hypothesised concept of extra spatial dimensions and explain why they are so interesting.
Mistry, Bina
core  

Extragalactic and cosmological tests of gravity theories with additional scalar or vector fields

open access: yes, 2011
Despite the many successes of the current standard model of cosmology on the largest physical scales, it relies on two phenomenologically motivated constituents, cold dark matter and dark energy, which account for approximately 95% of the energy-matter ...
Feix, Martin
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Applications of cosmological perturbation theory

open access: yes, 2011
PhDCosmological perturbation theory is crucial for our understanding of the universe. The linear theory has been well understood for some time, however developing and applying the theory beyond linear order is currently at the forefront of research in
Christopherson, Adam J.
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Cosmological backreaction : from the local Hubble expansion rate to dark energy

open access: yes, 2008
Li N. Cosmological backreaction : from the local Hubble expansion rate to dark energy. Bielefeld (Germany): Bielefeld University; 2008.Despite the glorious successes of modern cosmology, our understanding of the cosmic substitution is still limited to a ...
Li, Nan
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CDT-a entropic theory of quantum gravity:Lectures given at International Workshop on Continuum and Lattice Approaches to Quantum Gravity, Brighton, United Kingdom, 17-19 Sep 08

open access: yes, 2010
High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Lattice (hep ...
Görlich, A.   +3 more
core  

The critical tension in the Cascading DGP model

open access: yes, 2014
Sbisa, Fulvio, Koyama, Kazuya
core   +1 more source

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