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Updated: Aug 19, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Inequalities for light nuclei in the Wigner symmetry limit
Jiunn-Wei Chen1, Dean Lee, Thomas Schaefer
1Department of Physics and National Center for Theoretical Sciences at Taipei, National Taiwan University, Taipei 10617, Taiwan.
Abstract:
Using effective field theory we derive inequalities for light nuclei in the Wigner symmetry limit. This is the limit where isospin and spin degrees of freedom can be interchanged. We prove that the energy of any three-nucleon state is bounded below by the average energy of the lowest two-nucleon and four-nucleon states. We show how this is modified by lowest-order terms breaking Wigner symmetry and prove general energy convexity results for SU(N). We also discuss the inclusion of Wigner-symmetric three- and four-nucleon force terms.
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