Dynamical twisting and the b ghost in the pure spinor formalism
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Data
2013-07-26
Autores
Berkovits, Nathan [UNESP]
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Resumo
After adding an RNS-like fermionic vector ψ m to the pure spinor formalism, the non-minimal b ghost takes a simple form similar to the pure spinor BRST operator. The N=2 superconformal field theory generated by the b ghost and the BRST current can be interpreted as a dynamical twisting of the RNS formalism where the choice of which spin 1/2 ψ m variables are twisted into spin 0 and spin 1 variables is determined by the pure spinor variables that parameterize the coset SO(10)/U(5). © 2013 SISSA, Trieste, Italy.
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Superstrings and Heterotic Strings, Topological Strings
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Journal of High Energy Physics, v. 2013, n. 6, 2013.