AdS/QCD: The relevance of the geometry
Journal of High Energy Physics, ISSN: 1029-8479, Vol: 2010, Issue: 1
2010
- 17Citations
- 13Captures
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Article Description
We investigate the relevance of the metric and of the geometry in fivedimensional models of hadrons. Generically, the metric does not affect strongly the results and even flat space agrees reasonably well with the data. Nevertheless, we observe a preference for a decreasing warp factor, for example AdS space. The Sakai-Sugimoto model reduces to one of these models and the level of agreement is similar to the one of flat space. We also consider the discrete version of the five-dimensional models, obtained by dimensional deconstruction. We find that essentially all the relevant features of "holographic" models of QCD can be reproduced with a simple 3-site model describing only the states below the cut-off of the theory. © SISSA 2010.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=77954970573&origin=inward; http://dx.doi.org/10.1007/jhep01(2010)074; http://link.springer.com/10.1007/JHEP01(2010)074; http://link.springer.com/content/pdf/10.1007/JHEP01(2010)074; http://link.springer.com/content/pdf/10.1007/JHEP01(2010)074.pdf; http://link.springer.com/article/10.1007/JHEP01(2010)074/fulltext.html; http://www.springerlink.com/index/pdf/10.1007/JHEP01(2010)074; http://www.springerlink.com/index/10.1007/JHEP01(2010)074; http://dx.doi.org/10.1007/jhep01%282010%29074; https://dx.doi.org/10.1007/jhep01%282010%29074; https://link.springer.com/article/10.1007/JHEP01(2010)074
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