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Cited by 532

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Chiral symmetry breaking and pions in nonsupersymmetric gauge/gravity duals

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Babington, J., Erdmenger, J., Evans, N., Guralnik, Z., Kirsch, I.·2004·Physical Review D
DOI 10.1103/physrevd.69.066007
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Abstract

We study gravity duals of large N nonsupersymmetric gauge theories with matter in the fundamental representation by introducing a D7-brane probe into deformed AdS backgrounds. In particular, we consider a D7-brane probe in both the AdS Schwarzschild black hole solution and in the background found by Constable and Myers, which involves a nonconstant dilaton and ${S}^{5}$ radius. Both these backgrounds exhibit confinement of fundamental matter and a discrete glueball and meson spectrum. We numerically compute the $\overline{\ensuremath{\Psi}}\ensuremath{\Psi}$ condensate and meson spectrum associated with these backgrounds. In the AdS--black-hole background, a quark-bilinear condensate develops only at a nonzero quark mass. We speculate on the existence of a third order phase transition at a critical quark mass where the D7 embedding undergoes a geometric transition. In the Constable-Myers background, we find a chiral symmetry breaking condensate as well as the associated Goldstone boson in the limit of small quark mass. The existence of the condensate ensures that the D7-brane never reaches the naked singularity at the origin of the deformed AdS space.

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Metadata

Authors
Babington, J., Erdmenger, J., Evans, N., Guralnik, Z., & Kirsch, I.
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2004-03-24
Volume
69
Issue
6
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.69.066007
OpenAlex
W2140134899
Cited by
532
References
41
FWCI
28.17
Type
journal article
Language
en
Open access
green

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