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Z(3) Metastable Bubbles and Chiral Dynamics Across a Dark-QCD Deconfinement Transitionстатья
- Авторы: Wu Jingxu, Li Chenjia, Shi Jie
- Журнал: ArXiv e-prints
- Год издания: 2026
- DOI: 10.48550/arXiv.2601.15342
- Аннотация: We present a self-contained theoretical analysis of a dark-QCD chiral transition in which the Polyakov-loop sector retains an explicit Z(3) structure and couples consistently to the chiral order parameter.Working within a coupled chiral--Polyakov effective theory, we map the homogeneous vacuum landscape and identify a metastability window bounded by spinodal loss of stability.We then construct Z(3) domain-wall solutions including chiral backreaction, extracting temperature-dependent wall profiles and surface tension.Finally, we connect homogeneous metastability and wall microphysics to thermal bubble nucleation by evaluating the critical radius R_c(T) and the nucleation exponent S3(T)/T in the thin-wall regime, providing a compact set of reproducible diagnostics for the decay of the metastable phase.Our results establish a coherent pipeline from vacuum structure to nonperturbative interfaces and nucleation barriers, suitable for systematic extensions to full multi-field bounce calculations and dark-sector cosmological applications.
- Добавил в систему: У Цзинсюй