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Updated: Aug 8, 2025

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Coupled Minimal Conformal Field Theory Models Revisited.
António Antunes1,2, Connor Behan3
1Centro de Física do Porto, Departamento de Física e Astronomia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal.
Researchers discovered two new irrational conformal field theories in the large rank limit of coupled unitary Virasoro minimal models. These theories exhibit minimal chiral symmetry and reveal insights into quantum Regge trajectories.
Area of Science:
- Theoretical Physics
- Quantum Field Theory
- Conformal Field Theory
Background:
- Virasoro minimal models are fundamental in understanding 2D quantum field theories.
- The large rank limit (m→∞) offers a unique perspective for studying complex model behaviors.
Purpose of the Study:
- To investigate coupled unitary Virasoro minimal models in the large rank limit.
- To identify and characterize novel infrared (IR) fixed points and their properties.
Main Methods:
- Employing large m perturbation theory to analyze the models.
- Calculating anomalous dimensions and central charges.
- Examining the behavior of currents and degenerate operators.
Main Results:
- Identified two nontrivial IR fixed points with irrational coefficients.
- Observed the breaking of currents up to spin 10 for N>4 copies.
- Anomalous dimension matrices show increasing irrationality and reveal leading quantum Regge trajectory.
Conclusions:
- The IR fixed points represent compact, unitary, irrational conformal field theories.
- These theories possess minimal chiral symmetry.
- The findings provide strong evidence for irrationality and offer insights into quantum Regge trajectories.
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