Thermometry for a Kagome Lattice Dipolar Rydberg Simulator

We propose an accurate thermometry approach for Rydberg atom tweezer arrays combining data from correlation and local susceptibility measurements with a theoretical high-temperature expansion method for dynamic spin correlations. We apply our approach to a recent quantum simulation experiment [Bornet et al., arXiv 2602.14323] realizing an anti-ferromagnetic dipolar spin-1/2 XY model on the Kagome lattice. We obtain T=0.55J and S/N=0.67 ln2 for temperature and entropy respectively, showing that further experimental efforts are required to reach the putative quantum spin liquid regime. The numerical data for the local susceptibility, equal-time correlations, and entropy estimate shown in Figs. 2 and 3 are provided in Figure2_3.zip, allowing reproduction of the figures. The code implementing the high-temperature expansion method for dynamic spin correlations is provided in Kagome_Thermometry.zip. A detailed description is available in DOI:10.1103/1l92-z6qd and in the public repository Dyn-HTE. The experimental data used in this work can be found at: 10.5281/zenodo.18638412