The University of Southampton
University of Southampton Institutional Repository

Perfecting the ultra-violet of holographic descriptions of QCD

Perfecting the ultra-violet of holographic descriptions of QCD
Perfecting the ultra-violet of holographic descriptions of QCD
We investigate imposing a UV cutoff into a simple AdS/QCD model of the rho mesons. The cutoff corresponds to the scale at which QCD moves from perturbative to non-perturbative behaviour, above which the gravity dual will itself become strongly coupled. Simply imposing a cutoff significantly improves the fit to the masses of the tower of excited rho mesons. Formally one should match the couplings of higher dimension operators and the anomalous dimensions of fields to the QCD values at the cutoff. We explore examples of these matchings including looking at the anomalous dimensions of the operators and including a GTrF4 coupling.
0370-2693
546-550
Evans, Nick
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Tedder, Andrew
d809fa3b-086e-42cf-b0fd-a78312f90512
Evans, Nick
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Tedder, Andrew
d809fa3b-086e-42cf-b0fd-a78312f90512

Evans, Nick and Tedder, Andrew (2006) Perfecting the ultra-violet of holographic descriptions of QCD. Physics Letters B, 642 (5-6), 546-550. (doi:10.1016/j.physletb.2006.10.019).

Record type: Article

Abstract

We investigate imposing a UV cutoff into a simple AdS/QCD model of the rho mesons. The cutoff corresponds to the scale at which QCD moves from perturbative to non-perturbative behaviour, above which the gravity dual will itself become strongly coupled. Simply imposing a cutoff significantly improves the fit to the masses of the tower of excited rho mesons. Formally one should match the couplings of higher dimension operators and the anomalous dimensions of fields to the QCD values at the cutoff. We explore examples of these matchings including looking at the anomalous dimensions of the operators and including a GTrF4 coupling.

This record has no associated files available for download.

More information

Published date: 23 November 2006

Identifiers

Local EPrints ID: 57204
URI: http://eprints.soton.ac.uk/id/eprint/57204
ISSN: 0370-2693
PURE UUID: 58af10b6-b3e6-4661-9c9e-0ee4082aa14f

Catalogue record

Date deposited: 14 Aug 2008
Last modified: 15 Mar 2024 11:05

Export record

Altmetrics

Contributors

Author: Nick Evans
Author: Andrew Tedder

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×