Giant Magnons and Spiky Strings on S^3 with B-field

Details Giant Magnons and Spiky Strings on S^3 with B-field Giant Magnons and Spiky Strings on S^3 with B-field

2008-09-18

arxiv.org/abs/0809.3269v2

Prog. Theor. Phys. 121 (2009), 1189

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, 3 figures, more references added

Scientific paper

10.1143/PTP.121.1189

We study solutions for a rotating string on S^3 with a background NS-NS B-field and show the existence of spiky string and giant magnon as two limiting solutions. We make a connection to the sine-Gordon model via the Polyakov worldsheet action and study the effect of B-field. In particular, we find the magnon solution can be mapped to the excitation of a fractional spin chain. We conjecture a B-deformed SYM to be the gauge theory dual to this background.

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