PP-waves from rotating and continuously distributed D3-branes

Creators: Brandhuber, Andreas; Sfetos, Konstadinos

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Abstract

We study families of PP-wave solutions of type-IIB supergravity that have (light-cone) time dependent metrics and RR five-form fluxes. They arise as Penrose limits of supergravity solutions that correspond to rotating or continuous distributions of D3-branes. In general, the solutions preserve sixteen supersymmetries. On the dual field theory side these backgrounds describe the BMN limit of Script N = 4 SYM when some scalars in the field theory have non-vanishing expectation values. We study the perturbative string spectrum and in several cases we are able to determine it exactly for the bosons as well as for the fermions. We find that there are special states for particular values of the light-cone constant P+.

Additional Information

Received 11 December 2002, accepted for publication 17 December 2002, Published 21 January 2003 A.B. would like to thank J. Gomis and N. Halmagyi for discussions. The work of A.B. was supported in part by the DOE under grant No. DE-FG03-92ER40701. K.S. would like to thank I. Bars for a usefull correspondence. He also acknowledges the financial support provided through the European Community's Human Potential Programme under contracts HPRN-CT-2000-00122 "Superstring Theory" and HPRN-CT-2000-00131 "Quantum Structure of Space-time", the support by the Greek State Scholarships Foundation under the contract IKYDA-2001/22 "Quantum Fields and Strings", as well as NATO support by a Collaborative Linkage Grant under the contract PST.CLG.978785 "Algebraic and Geometrical Aspects of Conformal Field Theories and Superstrings". E-print number: hep-th/0212056

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