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arXiv · 2406.00712

A Worldsheet Derivation of the Classical Off-shell Boundary Action for the Dilaton in Half-Space

Amr Ahmadain·Rifath Khan
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Abstract

We use the method of images to present a worldsheet derivation of the sphere partition function for the dilaton in half-space to leading order in $\alpha'$ with Neumann boundary conditions. We use Tseytlin's sphere prescription to obtain the total (bulk and boundary) off-shell classical bosonic string action for the dilaton in half-space and show that it satisfies the requirement for a well-defined variational principle

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Amr Ahmadain, Rifath Khan. 2024-06-02. A Worldsheet Derivation of the Classical Off-shell Boundary Action for the Dilaton in Half-Space. https://arxiv.org/abs/2406.00712

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