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Updated: May 9, 2025

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Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
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AdS_{3}×S^{3} Virasoro-Shapiro Amplitude with Ramond-Ramond Flux
Shai M Chester1, De-Liang Zhong1
1Imperial College, Blackett Laboratory, Prince Consort Road, London SW7 2AZ, United Kingdom.
Physical Review Letters
|May 2, 2025
Summary
We calculated the anti-de Sitter Virasoro-Shapiro amplitude for dilaton scattering in string theory. This provides new predictions for conformal field theory data at strong coupling.
Area of Science:
- String Theory
- Quantum Field Theory
- AdS/CFT Correspondence
Background:
- Type IIB string theory on AdS3 x S3 x M4 with Ramond-Ramond flux.
- D1D5 brane system as a dual conformal field theory (CFT).
Purpose of the Study:
- Compute the anti-de Sitter Virasoro-Shapiro amplitude for dilaton scattering.
- Explore all orders in alpha' in a small anti-de Sitter curvature expansion.
- Provide predictions for CFT data at strong coupling.
Main Methods:
- Comparing the flat space limit of the dual CFT correlator to an ansatz for the amplitude.
- Utilizing world-sheet integrals in terms of single-valued multiple polylogarithms.
- Analyzing the first curvature correction and its consistency checks.
Main Results:
- The first curvature correction to the amplitude is fully determined.
- The result satisfies high energy limit consistency checks.
- Infinite predictions for planar CFT data at strong coupling are generated.
Conclusions:
- The computed amplitude offers insights into string theory in curved backgrounds.
- The findings guide future integrability studies in CFT.
- This work bridges string theory calculations with CFT predictions.
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