2 papers
quant-ph2026
Probing the Dynamics of Two-Level System Defect Ensembles via Broadband Cryogenic Transient Dielectric Spectroscopy
Qianxu Wang, Juan S. Salcedo-Gallo, Sara Magdalena Gómez +7
Two-level system (TLS) defects in dielectrics are a major source of decoherence in superconducting circuits, yet their microscopic origin and distribution remain poorly understood.…
quant-ph2025
Spectroscopy and Coherent Control of Two-Level System Defect Ensembles Using a Broadband 3D Waveguide
Qianxu Wang, Juan S. Salcedo-Gallo, Salil Bedkihal +4
Defects in solid-state materials play a central role in determining coherence, stability, and performance in quantum technologies. Although narrowband techniques can probe specific…