论文标题

为保形窗口充电

Charging the Conformal Window

论文作者

Orlando, Domenico, Reffert, Susanne, Sannino, Francesco

论文摘要

我们研究了从chirally损坏的相位接近保形窗口的下边界时,我们研究了大电荷范围内近似形式动力学的性质。为了阐明我们的方法,我们使用了与现象学相关的SU(2)颜色理论的时间持续的示例,其特征是$ n_f $ dirac fermions在量规组的基本表示中转换。在碎裂的阶段,我们采用了有效的pion lagangian,其伪二元组也可以捕获可能的平滑顺式 - 符合条件相变。我们为拉格朗日人的巴里昂对称性收取对称性,并研究了其对理论的基态和谱系的影响,以及最低的大型操作员的可能性保形维度。此外,我们研究了费米昂质量项的影响和依赖性。

We investigate the properties of near-conformal dynamics in a sector of large charge when approaching the lower boundary of the conformal window from the chirally broken phase. To elucidate our approach we use the time-honored example of the phenomenologically relevant SU(2) color theory featuring $N_f$ Dirac fermions transforming in the fundamental representation of the gauge group. In the chirally broken phase we employ the effective pion Lagrangian featuring also a pseudo-dilaton to capture a possible smooth conformal-to-non-conformal phase transition. We charge the baryon symmetry of the Lagrangian and study its impact on the ground state and spectrum of the theory as well as the would-be conformal dimensions of the lowest large-charge operator. We moreover study the effects of and dependence on the fermion mass term.

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