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Determinant Formula for the Octagon Form Factor in N=4 Supersymmetric Yang-Mills Theory
We present a closed expression for the octagon form factor which appears as a building block in a class of four-point correlation functions in N=4 supersymmetric Yang-Mills theory considered recently by Coronado. The octagon form factor is expressed, to all loop orders, as the determinant of a semi-...
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Published in: | Physical review letters 2019-06, Vol.122 (23), p.231601-231601, Article 231601 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | We present a closed expression for the octagon form factor which appears as a building block in a class of four-point correlation functions in N=4 supersymmetric Yang-Mills theory considered recently by Coronado. The octagon form factor is expressed, to all loop orders, as the determinant of a semi-infinite matrix. We find that perturbatively at weak coupling the entries of this matrix are linear combinations of ladder functions with simple rational coefficients. |
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ISSN: | 0031-9007 1079-7114 |
DOI: | 10.1103/PhysRevLett.122.231601 |