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(Non-)decoupled supersymmetric field theories

Di Pietro L.
•
Dine M.
•
Komargodski Z.
2014
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
We study some consequences of coupling supersymmetric theories to (super)gravity. To linear order, the couplings are determined by the energy-momentum supermultiplet. At higher orders, the couplings are determined by contact terms in correlation functions of the energy-momentum supermultiplet. We focus on the couplings of one particular field in the supergravity multiplet, the auxiliary field M. We discuss its linear and quadratic (seagull) couplings in various supersymmetric theories. In analogy to the local renormalization group formalism [1-3], we provide a prescription for how to fix the quadratic couplings. They generally arise at two-loops in perturbation theory. We check our prescription by explicitly computing these couplings in several examples such as mass-deformed N= 4 and in the Coulomb phase of some theories. These couplings affect the Lagrangians of rigid supersymmetric theories in curved space. In addition, our analysis leads to a transparent derivation of the phenomenon known as Anomaly Mediation. In contrast to previous approaches, we obtain both the gaugino and scalar masses of Anomaly Mediation by relying just on classical, minimal supergravity and a manifestly local and supersymmetric Wilsonian point of view. Our discussion naturally incorporates the connection between Anomaly Mediation and supersymmetric AdS 4 Lagrangians. This note can be read without prior familiarity with Anomaly Mediated Supersymmetry Breaking (AMSB).
DOI
10.1007/JHEP04(2014)073
WOS
WOS:000347841200002
Archivio
http://hdl.handle.net/11368/2968183
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84898955916
https://link.springer.com/article/10.1007/JHEP04(2014)073
Diritti
metadata only access
Soggetti
  • Renormalization Group...

  • Supersymmetric Effect...

  • Supersymmetry Breakin...

Web of Science© citazioni
4
Data di acquisizione
Mar 24, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
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