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Effective interactions of the open bosonic string via field theory
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Effective interactions of the open bosonic string via field theory
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We describe a method to extract an effective Lagrangian description for open bosonic strings, at zero transcendentality. The method relies on a particular formulation of its scattering amplitudes derived from color-kinematics duality. More precisely, starting from a $(DF)^2 + \text{YM}$ quantum field theory, we integrate out all the massive degrees of freedom to generate an expansion in the inverse string tension $\alpha^\prime$. We explicitly compute the Lagrangian terms through $\mathcal{O}(\alpha^{\prime 4})$, and target the sector of operators proportional to $F^4$ to all orders in $\alpha^\prime$.
Forward citations
Cited by 2 Pith papers
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