Dynamics of dark energy
We review in detail a number of approaches that have been adopted to try and explain the
remarkable observation of our accelerating universe. In particular we discuss the arguments …
remarkable observation of our accelerating universe. In particular we discuss the arguments …
Fermion localization and resonances on a de Sitter thick brane
YX Liu, J Yang, ZH Zhao, CE Fu, YS Duan - Physical Review D—Particles …, 2009 - APS
In CAS Almeida, R. Casana, MM Ferreira, Jr., and AR Gomes, Phys. Rev. D 79, 125022
(2009) PRVDAQ 1550-7998 10.1103/PhysRevD. 79.125022, the simplest Yukawa coupling …
(2009) PRVDAQ 1550-7998 10.1103/PhysRevD. 79.125022, the simplest Yukawa coupling …
Dark energy
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Ekpyrotic universe: Colliding branes and the origin of the hot big bang
J Khoury, BA Ovrut, PJ Steinhardt, N Turok - Physical Review D, 2001 - APS
We propose a cosmological scenario in which the hot big bang universe is produced by the
collision of a brane in the bulk space with a bounding orbifold plane, beginning from an …
collision of a brane in the bulk space with a bounding orbifold plane, beginning from an …
Quantization of four-form fluxes and dynamical neutralization of the cosmological constant
R Bousso, J Polchinski - Journal of High Energy Physics, 2000 - iopscience.iop.org
A four-form gauge flux makes a variable contribution to the cosmological constant. This has
often been assumed to take continuous values, but we argue that it has a generalized Dirac …
often been assumed to take continuous values, but we argue that it has a generalized Dirac …
On the holographic renormalization group
We propose a direct correspondence between the classical evolution equations of 5-d
supergravity and the renormalization group (RG) equations of the dual 4-d large-N gauge …
supergravity and the renormalization group (RG) equations of the dual 4-d large-N gauge …
Curvature singularities: The good, the bad, and the naked
SS Gubser - arXiv preprint hep-th/0002160, 2000 - arxiv.org
Necessary conditions are proposed for the admissibility of singular classical solutions with
3+ 1-dimensional Poincare invariance to five-dimensional gravity coupled to scalars. Finite …
3+ 1-dimensional Poincare invariance to five-dimensional gravity coupled to scalars. Finite …
Exact solution of the harmonic oscillator in arbitrary dimensions with minimal length uncertainty relations
LN Chang, D Minic, N Okamura, T Takeuchi - Physical Review D, 2002 - APS
We determine the energy eigenvalues and eigenfunctions of the harmonic oscillator where
the coordinates and momenta are assumed to obey the modified commutation relations [xi …
the coordinates and momenta are assumed to obey the modified commutation relations [xi …
The string dual of a confining four-dimensional gauge theory
J Polchinski, MJ Strassler - arXiv preprint hep-th/0003136, 2000 - arxiv.org
We study N= 1 gauge theories obtained by adding finite mass terms to N= 4 Yang-Mills
theory. The Maldacena dual is nonsingular: in each of the many vacua, there is an extended …
theory. The Maldacena dual is nonsingular: in each of the many vacua, there is an extended …
Effect of the minimal length uncertainty relation on the density of states and the cosmological constant problem
LN Chang, D Minic, N Okamura, T Takeuchi - Physical Review D, 2002 - APS
We investigate the effect of the minimal length uncertainty relation, motivated by perturbative
string theory, on the density of states in momentum space. The relation is implemented …
string theory, on the density of states in momentum space. The relation is implemented …