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Effective gravitational couplings of higher-rank supersymmetric gauge theories

Full text
Author(s):
John, Renjan Rajan ; Mahato, Sujoy ; Raman, Madhusudhan
Total Authors: 3
Document type: Journal article
Source: Journal of High Energy Physics; v. N/A, n. 9, p. 22-pg., 2022-09-26.
Abstract

When placed on four-manifolds, N = 2 gauge theories couple to topological invariants of the background via two functions A and B. General considerations allow for these functions to be fixed in terms of the Coulomb moduli and other parameters in the theory, but only up to multiplicative factors about which little is known. We extend earlier work on the microscopic study of these functions in the Omega-background to N = 2* gauge theories with higher-rank U(N) gauge groups. We complement this analysis by carrying out a perturbative study of these functions. This allows us to determine the manner in which these multiplicative factors scale with the rank of the gauge group and the mass of the adjoint hypermultiplet. (AU)

FAPESP's process: 21/02253-0 - BV formalism and pure spinor superstring
Grantee:Madhusudhan Raman
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 19/21281-4 - Gauge / gravity duality
Grantee:Horatiu Stefan Nastase
Support Opportunities: Research Projects - Thematic Grants