标题： 光子在反常超辐射相中的迈斯纳-like电流 显示英文标题

标题： Meissner-Like Currents of Photons in Anomalous Superradiant Phases

摘要： 迈斯纳效应，超导体的一个标志性特征，涉及圆形表面电流以抵消外部磁场。在本研究中，我们展示了在高度可调的光-物质相互作用系统中光子的迈斯纳类似电流的研究成果。在一个暴露于交错磁场的量子拉比锯齿链中，我们识别出一种迈斯纳超辐射相，在基态中表现出持续的手征边缘电流。每种腔体中的反向流动边缘电流导致整个链条中的净电流完全抵消。这一现象类似于迈斯纳效应中的表面电流。迈斯纳相由最低激发能量的异常标度指数信号，这些指数在每种情况下都表现出异常临界性，无论是否存在几何阻挫。有趣的是，调整交错通量会诱导从迈斯纳相到偶数手征或奇数手征超辐射相的转变，在这两种超辐射相中，手征边缘电流分别仅在偶数或奇数腔体中流动。此外，通过增强种间相互作用，在铁磁超辐射相中手征电流消失。我们实现了光子的迈斯纳类似电流，这为在光-物质耦合平台上探索边缘态干涉和量子霍尔效应开辟了途径。 显示英文摘要

摘要： The Meissner effect, a signature feature of superconductors, involves circular surface currents that cancel an external field. In this study, we present our findings on Meissner-like currents of photons in highly tunable light-matter interaction systems. In a quantum Rabi zigzag chain exposed to a staggered magnetic field, we identify a Meissner superradiant phase, manifesting persistent chiral edge currents in the ground state. Counter-flowing edge currents arise in each species of cavities,leading to complete cancellation of net currents throughout the entire chain. This phenomenon is analogous to surface currents in the Meissner effect. The Meissner phase is signaled by the unusual scaling exponents of the lowest excitation energy, which exhibit anomalous criticality with and without geometric frustration in each species. Intriguingly, adjusting the staggered flux induces transitions from the Meissner phase to either the even-chiral or odd-chiral superradiant phases, where the chiral edge currents flow exclusively in even or odd cavities, respectively. Additionally, by enhancing interspecies interactions, chiral currents vanish in a ferromagnetic superradiant phase. Our realization of Meissner-like currents of photons opens avenues for exploring edge state interferometry and quantum Hall effects within light-matter coupling platforms.