Holographic integral equations and walking technicolour
Alvares, Raul, Evans, Nick, Gebauer, Astrid and Weatherill, George James (2009) Holographic integral equations and walking technicolour. Physical Review D (doi:10.1103/PhysRevD.81.025013).
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Description/Abstract
We study chiral symmetry breaking in the holographic D3–D7 system in a simple model with an arbitrary running coupling. We derive equations for the D7 embedding and show there is a light pion. In particular we present simple integral equations, involving just the running coupling and the quark self-energy, for the quark condensate and the pion decay constant. We compare these to the Pagels-Stokar or constituent quark model equivalent. We discuss the implications for walking technicolor theories. We also perform a similar analysis in the four-dimensional field theory whose dual is the nonsupersymmetric D3–D5 system and propose that it represents a walking theory in which the quark condensate has dimension 2+√3
| Item Type: | Article |
|---|---|
| ISSNs: | 1550-7998 (print) 1550-2368 (electronic) |
| Subjects: | Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Physics and Astronomy |
| Item ID: | 141500 |
| Date Deposited: | 29 Mar 2010 16:08 |
| Last Modified: | 02 Mar 2012 13:44 |
| Contributors: | Alvares, Raul (Author) Evans, Nick (Author) Gebauer, Astrid (Author) Weatherill, George James (Author) |
| Date: | 15 January 2009 |
| Status: | Unpublished |
| URI: | http://eprints.soton.ac.uk/id/eprint/141500 |
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