We propose and test correspondences between 4D quantum field theories (QFTs) with N = 2, 1, 0 (super)conformal invariance and type IIB string theory on various orbifolds of AdS(5) x S-5. This allows us to translate the problem of finding stable nontrivial nonsupersymmetric string backgrounds into the problem of realizing nontrivial renormalization group (RG) fixed point QFTs on branes. RG fixed lines in this context correspond to string theories in which no vacuum energy is generated quantum mechanically.
机构:
Kings Coll London, Math Dept, London WC2R 2LS, England
St Petersburg INP, St Petersburg 188300, RussiaKings Coll London, Math Dept, London WC2R 2LS, England
Gromov, Nikolay
Sever, Amit
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机构:
Tel Aviv Univ, Sch Phys & Astron, IL-69978 Ramat Aviv, Israel
CERN, Theoret Phys Dept, CH-1211 Geneva 23, SwitzerlandKings Coll London, Math Dept, London WC2R 2LS, England
机构:
Inst Hautes Etud Sci, F-91440 Bures Sur Yvette, France
Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BG-1784 Sofia, BulgariaInst Hautes Etud Sci, F-91440 Bures Sur Yvette, France