Comments on multibrane solutions in cubic superstring field theory
E. Aldo Arroyo
TL;DR
This paper re-examines multi-brane solutions in cubic superstring field theory by computing the cubic term of the action and assessing previous assumptions, also evaluating gauge-invariant observables.
Contribution
It provides a detailed calculation of the cubic term and scrutinizes the validity of earlier assumptions in multi-brane solutions.
Findings
Computed the cubic term of the action for multi-brane solutions
Discussed the validity of previous assumptions regarding equations of motion
Evaluated Ellwood's gauge invariant observable
Abstract
In a previous paper, we have studied multi-brane solutions in the context of cubic superstring field theory. The kinetic term of the action was computed for these multi-brane solutions, and for the evaluation of the energy, the equation of motion contracted with the solutions itself was simply assumed to be satisfied. In this paper, we compute the cubic term of the action and discuss the validity of the previous assumption. Additionally, we evaluate the Ellwood's gauge invariant observable.
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