String Dual to Free N=4 Supersymmetric Yang-Mills Theory

Gaberdiel, Matthias R.; Gopakumar, Rajesh

doi:10.1103/PhysRevLett.127.131601

String Dual to Free N=4 Supersymmetric Yang-Mills Theory

Apr 16, 2021

6 pages

Published in:

Phys.Rev.Lett. 127 (2021) 13, 131601

Published: Sep 23, 2021

e-Print:

2104.08263 [hep-th]

DOI:

10.1103/PhysRevLett.127.131601 (publication)

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Abstract: (APS)

We propose a worldsheet description for the AdS5×S5 string theory dual to large N, free N=4 supersymmetric Yang-Mills theory in four dimensions. The worldsheet theory is a natural generalization of the recently investigated tensionless string on AdS3×S3×T4. As in the case of AdS3 it has a free field description, with spectrally flowed sectors, and is closely related to an (ambi-)twistor string theory. Here, however, we view it as a critical N=4 (closed) string background. We argue that the corresponding worldsheet gauge constraints reduce the degrees of freedom to a finite number of oscillators (string bits) in each spectrally flowed sector. Imposing a set of residual gauge constraints on this reduced oscillator Fock space then determines the physical spectrum of the string theory. Quite remarkably, we find that this prescription reproduces precisely the entire planar spectrum—of single trace operators—of the free supersymmetric Yang-Mills theory.

Note:

4 pages + references and supplementary material; v2: references added and small changes in wording

string model: duality
twistor
gauge field theory: Yang-Mills
supersymmetry: 4
expansion 1/N
AdS(5) x S(5)

References(47)

Figures(0)

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