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Multitwist Trajectories and Decoupling Zeros in Conformal Field Theory
Alexandre Homrich1,2, David Simmons-Duffin3, Pedro Vieira2,4
1University of Waterloo, Department of Physics and Astronomy, Waterloo, Ontario N2L 3G1, Canada.
Physical Review Letters
|February 6, 2025
Summary
Conformal Regge theory
Area of Science:
- Theoretical physics
- High-energy physics
- Quantum field theory
Background:
- Conformal Regge theory predicts analytic continuation of conformal field theory data for complex spin.
- The organization of operators with large versus small spin presents a challenge to this prediction.
Purpose of the Study:
- To investigate the physical mechanism behind analytically continued conformal field theory data for complex spin.
- To utilize planar N=4 Super Yang-Mills (SYM) theory as a testing ground for these theoretical predictions.
Main Methods:
- Analysis of operator organization in analytic families.
- Examination of structure operator product expansion (OPE) constants for higher families at lower integer spins.
- Application of Newton's interpolation series technique.
Main Results:
- Operators organize into analytic families.
- Higher families exhibit zeros in their structure OPE constants for lower integer spins, causing them to decouple.
- Newton's interpolation series is well-suited for exploring the complex spin half-plane.
Conclusions:
- A simple physical picture explains the analytic continuation of conformal field theory data for complex spin.
- Decoupling of higher families at lower spins resolves the apparent contradiction.
- Newton's interpolation series provides a powerful tool for future investigations in this area.
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