Baryons and Baryonic Matter in Holographic QCD from Superstring

TL;DR

This paper explores baryons and baryonic matter within holographic QCD using superstring theory, deriving soliton solutions and analyzing their behavior at finite density, revealing baryon swelling in dense environments.

Contribution

It introduces a holographic QCD model with a multi-D-brane system to derive baryon solutions and studies their properties at finite density, including delocalization effects.

Findings

Derived chiral soliton solutions for baryons.

Observed baryon swelling in dense matter.

Analyzed baryon behavior on $S^3$ in holographic QCD.

Abstract

We study baryons and baryonic matter in holographic QCD using a D4/D8/$\bar{\rm D8}$ multi-D-brane system in the superstring theory. We obtain the chiral soliton solution for baryons in the four-dimensional meson theory derived from the multi-D-brane system. For the analysis of finite baryon-density matter, we investigate the chiral soliton on $S^3$ in holographic QCD, and find the delocalization of the soliton, i.e., the swelling of baryons in dense matter.