A self-tuning mechanism in (3 + p)d gravity-scalar theory

  title={A self-tuning mechanism in (3 + p)d gravity-scalar theory},
  author={Eun Kyung Park and Pyung Seong Kwon},
  journal={Journal of High Energy Physics},
  • E. ParkP. Kwon
  • Published 21 February 2007
  • Physics
  • Journal of High Energy Physics
We present a new type of self-tuning mechanism for (3 + p)d brane world models in the framework of gravity-scalar theory. This new type of self-tuning mechanism exhibits a remarkable feature. In the limit gs→0, gs being the string coupling, the geometry of bulk spacetime remains virtually unchanged by an introduction of the Standard Model(SM)-brane, and consequently it is virtually unaffected by quantum fluctuations of SM fields with support on the SM-brane. Such a feature can be obtained by… 

A comment on p-branes of (p+3)d string theory

We argue that in (p+3)d string theory the existence of NS-NS type p-brane with negative tension is essential to obtain background geometry R2 or R2/Zn on the transverse dimensions, and the usual

The Effective field theory of codimension-two branes

Distributional sources of matter on codimension-two and higher branes are only well-defined as regularized objects. Nevertheless, intuition from effective field theory suggests that the low-energy

Remark on Calabi-Yau vacua of the string theory and the cosmological constant problem

We propose, based on the viewpoint that our three-dimensional space is a stack of BPS D3-branes located at the conifold singularity of the Calabi-Yau three-fold, a new mechanism to address the

Effective potential and vacuum stability

By following previous work on this subject, we investigate the issue of the instability of the electroweak vacuum against the top loop corrections by performing an accurate analysis of a Higgs–Yukawa

Cosmological constant, brane tension and large hierarchy in a generalized Randall-Sundrum braneworld scenario

Sherpa Romeo green journal. Open access article. Creative Commons Attribution License (CC BY 4.0) applies.

The study of heavy contribution in diffractive parton distribution functions

In this paper we give a brief introduction to the description of QCD analysis in order to determine the diffractive parton distribution functions (DPDFs) at the next-to-leading order (NLO)

Non-singlet QCD analysis in the NNLO approximation

A non-singlet QCD analysis of the structure function up to NNLO is performed based on the orthogonal polynomials approach. The results of valence quark distributions up to NNLO are in good agreement

A review of the mass measurement techniques proposed for the Large Hadron Collider

We review the methods which have been proposed for measuring masses of new particles at the Large Hadron Collider paying particular attention to the kinematical techniques suitable for extracting

Icosapent Ethyl Reduces Ischemic Events in Patients with a History of Prior Coronary Artery Bypass Grafting: REDUCE-IT CABG.

In REDUCE-IT patients with a history of CABG, treatment with icosapent ethyl was associated with significant reductions in first and recurrent ischemic events.

NS-branes in 5d brane world models

We study codimension-1 brane solutions of the 5d brane world models compactified on $S_1 / \mathbb{Z}_2$. In string theoretical setup they suggest that the background branes located at orbifold fixed



Self-tuning flat domain walls in 5D gravity and string theory

We present Poincare-invariant domain wall (''three-brane'') solutions to some five-dimensional effective theories which can arise naturally in string theory. In particular, we find theories where

Effective Field Theory for a Three-Brane Universe

A general effective field theory formalism is presented which describes the low-energy dynamics of a 3-brane universe. In this scenario an arbitrary four-dimensional particle theory, such as the

Dynamical Stability of Six-Dimensional Warped Brane-Worlds

We study a generalization of the Randall-Sundrum mechanism for generating the weak/Planck hierarchy, which uses two rather than one warped extra dimension, and which requires no negative tension

Spheres, deficit angles and the cosmological constant

We consider compactifications of six-dimensional gravity in four-dimensional Minkowski or de Sitter space times a two-dimensional sphere, S2. As has been pointed out recently, it is possible to

A critical cosmological constant from millimeter extra dimensions

We consider `brane universe' scenarios with standard-model fields localized on a 3-brane in 6 spacetime dimensions. We show that if the spacetime is rotationally symmetric about the brane, local

Exact standard model structures from intersecting D5-branes

Abstract We discuss the appearance of non-supersymmetric compactifications with exactly the Standard Model (SM) at low energies, in the context of IIB orientifold constructions with D5-branes

Can codimension-two branes solve the cosmological constant problem?

It has been suggested that codimension-two braneworlds might naturally explain the vanishing of the 4D effective cosmological constant, due to the automatic relation between the deficit angle and the