Two-loop low-energy effective actions in N =2 and N =4 three-dimensional SQED

I. L. Buchbinder, B. S. Merzlikin, I. B. Samsonov

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We study two-loop Euler-Heisenberg effective actions in three-dimensional N =2 and N =4 supersymmetric quantum electrodynamics (SQED) without Chern-Simons term. We find exact expressions for propagators of chiral superfields interacting with slowly-varying N =2 gauge superfield. Using these propagators we compute two-loop effective actions in the N =2 and N =4 SQED as the functionals of superfield strengths and their covariant spinor derivatives. The obtained effective actions contain new terms having no four-dimensional analogs. As an application, we find two-loop quantum corrections to the moduli space metric in the N =2 SQED.

Original languageEnglish
Article number012
JournalJournal of High Energy Physics
Volume2013
Issue number7
DOIs
Publication statusPublished - 2013

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quantum electrodynamics
metric space
propagation
functionals
energy
analogs

Keywords

  • Extended Supersymmetry
  • Superspaces
  • Supersymmetric gauge theory
  • Supersymmetry and Duality

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Two-loop low-energy effective actions in N =2 and N =4 three-dimensional SQED. / Buchbinder, I. L.; Merzlikin, B. S.; Samsonov, I. B.

In: Journal of High Energy Physics, Vol. 2013, No. 7, 012, 2013.

Research output: Contribution to journalArticle

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AU - Samsonov, I. B.

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AB - We study two-loop Euler-Heisenberg effective actions in three-dimensional N =2 and N =4 supersymmetric quantum electrodynamics (SQED) without Chern-Simons term. We find exact expressions for propagators of chiral superfields interacting with slowly-varying N =2 gauge superfield. Using these propagators we compute two-loop effective actions in the N =2 and N =4 SQED as the functionals of superfield strengths and their covariant spinor derivatives. The obtained effective actions contain new terms having no four-dimensional analogs. As an application, we find two-loop quantum corrections to the moduli space metric in the N =2 SQED.

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KW - Supersymmetry and Duality

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