Spin chain from marginally deformed AdS_3 x S^3

Details Spin chain from marginally deformed AdS_3 x S^3 Spin chain from marginally deformed AdS_3 x S^3

2006-10-12

arxiv.org/abs/hep-th/0610147v3

Phys.Rev.D75:067901,2007

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 2 figures, revised for PRD

Scientific paper

10.1103/PhysRevD.75.067901

We derive a spin chain Hamiltonian from a fast spinning string in the marginally deformed AdS(3)X S(3). This corresponds to a closed trajectory swept out by the SU(2) or SL(2) spin vector on the surface of one-parameter deformed two-sphere or hyperboloid in the background of anisotropic magnetic field interaction. In the limit of small deformation, a class of general Landau-Lifshitz equation with a nontrivial anisotropic matrix can be derived.

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