Low-energy hadronic physics in holographic $\mathrm{QCD_{3}}$ with anisotropy
TLDR
This paper explores low-energy hadronic physics in anisotropic 3D QCD using gauge-gravity duality, analyzing mass spectra and interactions.
Key contributions
- Constructed an anisotropic D3/D7 model for 3D QCD-like theory using gauge-gravity duality.
- Systematically investigated hadronic mass spectra, dragging terms, and interactions with anisotropy.
- Demonstrated dragging terms are essential for transport properties in anisotropic gauge theories.
- Revealed hadronic systems become unstable when anisotropy significantly exceeds confinement energy.
Why it matters
This paper helps understand anisotropy in gauge field theory, especially its impact on hadronic stability and transport properties. It provides a constructive holographic framework for modeling these complex systems.
Original Abstract
Using the gauge-gravity duality, we construct the anisotropic D3/D7 approach as a three-dimensional QCD-like theory, then investigate systematically the hadronic mass spectra, the dragging terms and the lowest hadronic interactions in the presence of the anisotropy in holography. Our derivation illustrates the dragging terms in the effective action are very necessary for an anisotropic theory since they are the key roles to affect the transport properties of the dual theory. And the numerical results in addition imply the hadronic system will become unstable if the anisotropy is much larger than its confinement energy scale. It agrees with that the confining phase in this approach becomes unstable if the anisotropy is sufficiently large in our previous works with this model. Therefore, this work is constructive to understand the anisotropy in the gauge field theory.
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