3 papers
cond-mat.supr-con2026
Magnetic Quantum Criticality inside the Superconducting State Revealed by Penetration Depth Scaling with Local
Yusuke Iguchi, Kaede Inoh, Ryosuke Koizumi +1
We demonstrate a magnetic quantum critical point embedded within the superconducting state of Zn-doped CeCoIn, revealed by a pronounced peak in the magnetic penetration depth a…
cond-mat.supr-con2026
Visualizing Vortex Cluster Dynamics in the Weak Type-II Superconductor CaSb
Yusuke Iguchi, Nabhanila Nandi, Mohamed Oudah
Scanning SQUID imaging of CaSb reveals dense vortex clusters with enhanced boundary susceptibility and suppressed internal vortex motion, which features inconsistent with both…
cond-mat.supr-con2025
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…