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Title: Shortening anomalies in supersymmetric theories

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [4]; ORCiD logo [5]
  1. Perimeter Inst. for Theoretical Physics, Waterloo, ON (Canada)
  2. Weizmann Inst. of Science, Rehovot (Israel)
  3. California Inst. of Technology (CalTech), Pasadena, CA (United States). Walter Burke Inst. for Theoretical Physics; Univ. of Tokyo (Japan). Kavli Inst. for the Physics and Mathematics of the Universe
  4. Inst. for Advanced Study, Princeton, NJ (United States). School of Natural Sciences
  5. Princeton Univ., NJ (United States). Joseph Henry Lab.

We present new anomalies in two-dimensional N = (2, 2) superconformal theories. They obstruct the shortening conditions of chiral and twisted chiral multiplets at coincident points. This implies that marginal couplings cannot be promoted to background superfields in short representations. Therefore, standard results that follow from N = (2, 2) spurion analysis are invalidated. These anomalies appear only if supersymmetry is enhanced beyond N = (2; 2). These anomalies explain why the conformal manifolds of the K3 and T4 sigma models are not Kähler and do not factorize into chiral and twisted chiral moduli spaces and why there are no N = (2, 2) gauged linear sigma models that cover these conformal manifolds. We also present these results from the point of view of the Riemann curvature of conformal manifolds.

Research Organization:
California Institute of Technology (CalTech), Pasadena, CA (United States). Walter Burke Institute for Theoretical Physics; Princeton Univ., NJ (United States)
Sponsoring Organization:
National Science Foundation (NSF); Government of Canada; USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0011632; SC0009988; PHY-1620059; 1937/12; PHY-1066293
OSTI ID:
1360780
Journal Information:
Journal of High Energy Physics (Online), Vol. 2017, Issue 1; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

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Cited By (5)

Conformal perturbation theory for twisted fields journal February 2020
Anomalies in the space of coupling constants and their dynamical applications I journal January 2020
On 2-Group Global Symmetries and Their Anomalies text January 2018
Anomalies in the Space of Coupling Constants and Their Dynamical Applications I text January 2019
Conformal Perturbation Theory for Twisted Fields text January 2019

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