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Title: Anomalies, renormalization group flows, and the a-theorem in six-dimensional (1, 0) theories

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [1];  [2]
  1. Harvard Univ., Cambridge, MA (United States)
  2. Univ. of California, San Diego, CA (United States)

We establish a linear relation between the a-type Weyl anomaly and the ’t Hooft anomaly coeffcients for the R-symmetry and gravitational anomalies in sixdimensional (1,0) superconformal field theories. For RG flows onto the tensor branch, where conformal symmetry is spontaneously broken, supersymmetry relates the anomaly mismatch Δa to the square of a four-derivative interaction for the dilaton. This establishes the a-theorem for all such flows. The four-derivative dilaton interaction is in turn related to the Green-Schwarz-like terms that are needed to match the ’t Hooft anomalies on the tensor branch, thus fixing their relation to Δa. We use our formula to obtain exact expressions for the a-anomaly of N small E8 instantons, as well as N M5-branes probing an orbifold singularity, and verify the a-theorem for RG flows onto their Higgs branches. We also discuss aspects of supersymmetric RG flows that terminate in scale but not conformally invariant theories with massless gauge fields.

Research Organization:
Harvard Univ., Cambridge, MA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0007870
OSTI ID:
1425881
Journal Information:
Journal of High Energy Physics (Online), Vol. 2016, Issue 10; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 1 work
Citation information provided by
Web of Science

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Cited By (11)

6d surface defects from massive type IIA journal January 2018
AdS7/CFT6 with orientifolds journal January 2018
Universal RG flows across dimensions and holography journal December 2017
Dynamical constraints on RG flows and cosmology journal December 2019
Punctures and dynamical systems journal August 2018
T-branes, Anomalies and Moduli Spaces in 6D SCFTs text January 2016
Universal RG Flows Across Dimensions and Holography text January 2017
Spheres, Charges, Instantons, and Bootstrap: A Five-Dimensional Odyssey text January 2017
Exploring 2-Group Global Symmetries text January 2018
4D Gauge Theories with Conformal Matter text January 2018
Dynamical Constraints on RG Flows and Cosmology text January 2019

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