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JHEP11(2009)021 doi: 10.1088/1126-6708/2009/11/021
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Abstract.
After introducing non-minimal variables, the midpoint insertion
of Y
in cubic open Neveu-Schwarz string field theory can
be replaced with an operator 
ρ depending
on a constant parameter ρ. As in cubic open superstring field
theory using the pure spinor formalism, the operator ρ
is invertible and is equal to 1 up to a
BRST-trivial quantity. So unlike the linearized equation of motion
YQV = 0 which requires truncation of the Hilbert space
in order to imply QV = 0,
the linearized equation ρQV = 0 directly
implies QV = 0.
Key words: Superstrings and Heterotic Strings; String Field Theory
E-print number: 0901.3386
Cited: by
Refers: to
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