Results 1 to 10 of about 113,079 (217)

Flexible extra dimensions

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
This paper discusses the origin of the small parameters with the aim of explaining the Hierarchy problem. The flexible extra dimensions are an essential tool in the process by which physical parameters are formed.
Polina Petriakova   +2 more
doaj   +1 more source

Thick brane in Rastall gravity

open access: yesJournal of High Energy Physics, 2022
In this work, thick branes in Rastall gravity are investigated. Three types of maximally symmetric thick brane models are constructed and the linear tensor perturbation is analyzed. In the flat brane model, the tensor modes of the perturbation are either
Yi Zhong, Ke Yang, Yu-Xiao Liu
doaj   +1 more source

Local Regions with Expanding Extra Dimensions

open access: yesPhysics, 2021
In this paper possible spatial domains, containing expanding extra dimensions, are studied. It is demonstrated that these domains are predicted in the framework of f(R) gravity (where R is the scalar curviture) and could appear due to quantum ...
Kirill A. Bronnikov, Sergey G. Rubin
doaj   +1 more source

Extra kinetic dimensions for label discrimination

open access: yesNature Communications, 2022
Label discrimination is challenging in fluorescence microscopy due to broad spectra and narrow lifetime distribution. Here, the authors introduce extra kinetic dimensions by illuminating reversibly photoswitchable fluorophores with different intensities,
Raja Chouket   +14 more
doaj   +1 more source

Localization of spinor fields in higher-dimensional braneworlds

open access: yesJournal of High Energy Physics, 2023
In this paper we investigate the localization of spinor fields in braneworld models by reducing a Dirac spinor in 2n + 2-dimensional spacetime to spinors in 2n dimensions.
Jun-Jie Wan, Yu-Xiao Liu
doaj   +1 more source

Growing extra dimensions in AdS/CFT

open access: yesJournal of High Energy Physics, 2019
What is the dimension of spacetime? We address this question in the context of the AdS/CFT Correspondence. We give a prescription for computing the number of large bulk dimensions, D, from strongly-coupled CFT d data, where “large” means parametrically ...
Luis F. Alday, Eric Perlmutter
doaj   +1 more source

Vacuum Energy in Saez-Ballester Theory and Stabilization of Extra Dimensions

open access: yesUniverse, 2022
In this work, we study a spherically symmetric metric in 5D within the framework of Saez-Ballester Theory, where minimal dark energy-matter interaction occurs. We predict that the expanding isotropic universe will be progressively DE dominated.
Pheiroijam Suranjoy Singh   +1 more
doaj   +1 more source

Space Dimension Renormdynamics

open access: yesParticles, 2020
We aim to construct a potential better suited for studying quarkonium spectroscopy. We put the Cornell potential into a more geometrical setting by smoothly interpolating between the observed small and large distance behaviour of the quarkonium potential.
Martin Bures, Nugzar Makhaldiani
doaj   +1 more source

Systematic classification of aGUT models in five dimensions: the SU(N) kinship

open access: yesJournal of High Energy Physics, 2023
Asymptotic Grand Unification theories (aGUTs) in five dimensions provide a valid alternative to standard quantitative unification. We define the pathway towards viable models starting from a general unified bulk gauge symmetry.
Giacomo Cacciapaglia
doaj   +1 more source

Living orthogonally: quasi-universal extra dimensions

open access: yesJournal of High Energy Physics, 2019
The minimal Universal Extra Dimension scenario is highly constrained owing to opposing constraints from the observed relic density on the one hand, and the non-observation of new states at the LHC on the other.
Mathew Thomas Arun   +2 more
doaj   +1 more source

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