Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-04-20
JHEP 0404 (2004) 070
Physics
High Energy Physics
High Energy Physics - Theory
37pages, no figure
Scientific paper
10.1088/1126-6708/2004/04/070
In order to gain deeper understanding of pure-spinor-based formalisms of superstring, an explicit similarity transformation is constructed which provides operator mapping between the light-cone Green-Schwarz (LCGS) formalism and the extended pure spinor (EPS) formalism, a recently proposed generalization of the Berkovits' formalism in an enlarged space. By applying a systematic procedure developed in our previous work, we first construct an analogous mapping in the bosonic string relating the BRST and the light-cone formulations. This provides sufficient insights and allows us to construct the desired mapping in the more intricate case of superstring as well. The success of the construction owes much to the enlarged field space where pure spinor constraints are removed and to the existence of the ``B-ghost'' in the EPS formalism.
Aisaka Yuri
Kazama Yoichi
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