Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-06-03
Physics
High Energy Physics
High Energy Physics - Theory
81 pages
Scientific paper
10.1088/1126-6708/2008/08/050
We explicitly compute up to the fifth mass-level the partition function of ten-dimensional pure spinor worldsheet variables including the spin dependence. After adding the contribution from the (x^{\mu}, \theta^{\alpha}, p_{\alpha}) matter variables, we reproduce the massive superstring spectrum. Even though pure spinor variables are bosonic, the pure spinor partition function contains fermionic states which first appear at the second mass-level. These fermionic states come from functions which are not globally defined in pure spinor space, and are related to the b ghost in the pure spinor formalism. This result clarifies the proper definition of the Hilbert space for pure spinor variables.
Aisaka Yuri
Arroyo Aldo E.
Berkovits Nathan
Nekrasov Nikita
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