Threefold Complementary Approach to Holographic QCD
Journal Article
·
· Physics Letters. Section B
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Univ. of Costa Rica, San Jose (Costa Rica)
- Inst. for Theoretical Physics, Heidelberg (Germany)
A complementary approach, derived from (a) higher-dimensional anti-de Sitter (AdS) space, (b) light-front quantization and (c) the invariance properties of the full conformal group in one dimension leads to a nonperturbative relativistic light-front wave equation which incorporates essential spectroscopic and dynamical features of hadron physics. The fundamental conformal symmetry of the classical QCD Lagrangian in the limit of massless quarks is encoded in the resulting effective theory. The mass scale for confinement emerges from the isomorphism between the conformal group andSO(2,1). This scale appears in the light-front Hamiltonian by mapping to the evolution operator in the formalism of de Alfaro, Fubini and Furlan, which retains the conformal invariance of the action. Remarkably, the specific form of the confinement interaction and the corresponding modification of AdS space are uniquely determined in this procedure.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1063788
- Report Number(s):
- SLAC-PUB--15366; arXiv:1302.4105
- Journal Information:
- Physics Letters. Section B, Journal Name: Physics Letters. Section B Vol. 729; ISSN 0370-2693
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
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