NS5 Brane and Little String Duality in the pp-wave Limit

Abstract

We study NSR strings in the Nappi-Witten background, which is the Penrose limit of a certain NS5-brane supergravity solution. We solve the theory in the light-cone gauge, obtaining the spectrum, which is space-time supersymmetric. In light of the LST/NS5-brane duality, this spectrum should be in correspondence with the states of little string theory in the appropriate limit. A semiclassical analysis verifies that the relationship between energy and angular momentum, after a field redefinition, matches the known result for a flat background.

arXiv comment13 pages, revtex. v2: Typos mended; explanation clarified; reference added

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• On the Classical String Solutions and String/Field Theory Duality II
• Semiclassical Analysis of String/Gauge Duality on Non-commutative Space
• Semiclassical Strings Probing NS5 Brane Wrapped on S^5
• The exact description of NS5-branes in the Penrose limit
• Explicitly connecting T and Buscher dualities in String Theory
• String Solutions in General Backgrounds