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Regularizing cubic open Neveu-Schwarz string field theory

Nathan Berkovitsa,c and Warren Siegelb,c

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After introducing non-minimal variables, the midpoint insertion of Ybar Y in cubic open Neveu-Schwarz string field theory can be replaced with an operator Script Nρ depending on a constant parameter ρ. As in cubic open superstring field theory using the pure spinor formalism, the operator Script Nρ is invertible and is equal to 1 up to a BRST-trivial quantity. So unlike the linearized equation of motion Ybar YQV = 0 which requires truncation of the Hilbert space in order to imply QV = 0, the linearized equation Script NρQV = 0 directly implies QV = 0.

Keywords

Superstrings and Heterotic Strings

String Field Theory

 

E-print Number: 0901.3386

Cited: by |

Refers: to

PACS

11.25.-w Strings and branes

11.10.Gh Renormalization

Subjects

Particle physics and field theory

Dates

Issue 11 (November 2009)

Received 27 May 2009, accepted for publication 22 October 2009

Published 5 November 2009



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