George Jorjadze JHEP10(2009)092 doi:10.1088/1126-6708/2009/10/092
Singular Liouville fields and spiky strings in 
1,2 and SL(2,)
George Jorjadze1,2
Show affiliations1,2 and SL(2,) is studied within the scheme of Pohlmeyer reduction. In both spaces two different classes of string surfaces are specified by the structure of the fundamental quadratic forms. The first class in 1,2 is associated with the standard lightcone gauge strings and the second class describes spiky strings and their conformal deformations on the Virasoro coadjoint orbits. These orbits correspond to singular Liouville fields with the monodromy matrixes ± I. The first class in SL(2,) is parameterized by the Liouville fields with vanishing chiral energy functional. Similarly to 1,2, the second class in SL(2,) describes spiky strings, related to the vacuum configurations of the SL(2,)/U(1) coset model.
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E-print Number: 0909.0350
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- PACS
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11.25.Hf Conformal field theory, algebraic structures
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- Dates
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Issue 10 (October 2009)
Received 11 September 2009, accepted for publication 6 October 2009
Published 29 October 2009
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Singular Liouville fields and spiky strings in 1,2 and SL(2,)
George Jorjadze JHEP10(2009)092
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