Background Independence of Closed Superstring Field Theory

Ashoke Sen

Background Independence of Closed Superstring Field Theory

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arxiv 1711.08468 v1 pith:2Q2QHJCL submitted 2017-11-22 hep-th gr-qc

Ashoke Sen This is my paper

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keywords fieldsuperstringbackgroundindependencetheoriestheoryclosedrelated

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Given a family of world-sheet superconformal field theories related by marginal deformation, we can formulate superstring field theory based on any of these world-sheet theories. Background independence is the statement that these different superstring field theories are related to each other by field redefinition. We prove background independence of closed superstring field theory.

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Type II RR string fields and exotic diffeomorphisms
hep-th 2025-05 accept novelty 7.0 of 10

The paper computes explicit gauge transformations and interactions for all Ramond-Ramond fields in type II string field theory, revealing diffeomorphisms that are not standard Lie derivatives.

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