Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-11-24
Physics
High Energy Physics
High Energy Physics - Theory
30 pages, JHEP style; v2, minor changes; v3, minor changes, version published in JHEP.
Scientific paper
We consider the Pohlmeyer reduction for spacelike minimal area worldsheets in AdS$_5$. The Lax pair for the reduced theory is found, and written entirely in terms of the $A_3=D_3$ root system, generalizing the $B_2$ affine Toda system which appears for the AdS$_4$ string. For the $B_2$ affine Toda system, we show that the area of the worlsheet is obtainable from the moduli space K\"ahler potential of a related Hitchin system. We also explore the Saveliev-Leznov construction for solutions of the $B_2$ affine Toda system, and recover the rotationally symmetric solution associated to Painleve transcendent.
Burrington Benjamin A.
Gao Peng
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