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Vortex Motion Induced Losses in Tantalum Resonators
Faranak Bahrami, Matthew P. Bland, Nana Shumiya +17
Tantalum (Ta) based superconducting circuits have been demonstrated to enable record qubit coherence times and quality factors, motivating a careful study of the microscopic origin…
Anomalous Superconductivity in Twisted MoTe2 Nanojunctions
Yanyu Jia, Tiancheng Song, Zhaoyi Joy Zheng +14
Introducing superconductivity in topological materials can lead to innovative electronic phases and device functionalities. Here, we present a new strategy for quantum engineering…
Eliminating Surface Oxides of Superconducting Circuits with Noble Metal Encapsulation
Ray D. Chang, Nana Shumiya, Russell A. McLellan +15
The lifetime of superconducting qubits is limited by dielectric loss, and a major source of dielectric loss is the native oxide present at the surface of the superconducting metal.…
Anomalously high supercurrent density in a two-dimensional topological material
Qi Zhang, Md Shafayat Hossain, Brian Casas +24
Ongoing advances in superconductors continue to revolutionize technology thanks to the increasingly versatile and robust availability of lossless supercurrent. In particular high s…
Coexistence of bulk-nodal and surface-nodeless Cooper pairings in a superconducting Dirac semimetal
Xian P. Yang, Yigui Zhong, Sougata Mardanya +21
The interplay of nontrivial topology and superconductivity in condensed matter physics gives rise to exotic phenomena. However, materials are extremely rare where it is possible to…