# A possible phase for adjoint QCD

**Authors:** Erich Poppitz, Thomas A. Ryttov

arXiv: 1904.11640 · 2019-11-20

## TL;DR

This paper proposes an exotic confining phase in adjoint QCD characterized by massless composite fermions and broken discrete chiral symmetry, potentially explaining the IR behavior of three-flavor adjoint QCD.

## Contribution

It introduces a novel confining phase with unique symmetry-breaking features and provides consistency checks supporting its relevance to adjoint QCD with three flavors.

## Key findings

- Identifies a confining phase with massless composite fermions
- Shows discrete chiral symmetry is broken while continuous symmetry remains
- Passes multiple theoretical consistency checks

## Abstract

We discuss an exotic phase that adjoint QCD possibly exhibits in the deep infrared (IR). It is a confining phase, with a light spectrum consisting of massless composite fermions. The discrete chiral symmetry is broken, with unbroken continuous chiral symmetry. We argue that it may give a description of the IR of adjoint QCD with three massless Weyl flavors and that it passes all consistency checks known to us.

## Full text

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## References

35 references — full list in the complete paper: https://tomesphere.com/paper/1904.11640/full.md

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Source: https://tomesphere.com/paper/1904.11640