Artigo
A construction of integrated vertex operator in the pure spinor sigma-model in AdS(5) x S-5
Registro en:
Journal Of High Energy Physics. New York: Springer, n. 11, 11 p., 2013.
1029-8479
10.1007/JHEP11(2013)124
WOS:000327093100010
Autor
Chandia, Osvaldo
Mikhailov, Andrei [UNESP]
Vallilo, Brenno C.
Resumen
Vertex operators in string theory me in two varieties: integrated and unintegrated. Understanding both types is important for the calculation of the string theory amplitudes. The relation between them is a descent procedure typically involving the b-ghost. In the pure spinor formalism vertex operators can be identified as cohomology classes of an infinite-dimensional Lie superalgebra formed by covariant derivatives. We show that in this language the construction of the integrated vertex from an unintegrated vertex is very straightforward, and amounts to the evaluation of the cocycle on the generalized Lax currents. FONDECYT Univ Adolfo Ibanez, Fac Ingn & Ciencias, Fac Artes Liberales, Dept Ciencias, Santiago, Chile Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil Univ Andres Bello, Fac Ciencias Exactas, Dept Ciencias Fis, Santiago, Chile Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil FONDECYT1120263