Observation of Time-Reversal Symmetry Breaking in the Type-I Superconductor YbSb2RemoveAnshu Kataria, Shashank Srivastava, Dibyendu Samanta, Pushpendra Yadav, Poulami Manna, Suhani Sharma, Priya Mishra, Joel Barker, Adrian D. Hillier, Amit Agarwal, Sudeep Kumar Ghosh, and Ravi Prakash SinghPhys. Rev. Lett. 137, 136002 (2026)
