3 papers
cond-mat.mtrl-sci2025
Ferroelectric Order and Enhanced Interfacial Superconductivity in Lightly-Doped Quantum Paraelectric KTaNbO
F. Yang, L. Q. Chen
Ferroelectric quantum criticality in perovskite oxides offers a fertile ground for emergent collective phenomena. Here we develop a first-principles-inspired quantum-statistics-bas…
cond-mat.supr-con2025
Revealing THz optical signatures of Shiba-state-induced gapped and gapless superconductivity
F. Yang, R. Y. Fang, S. L. Zhang +1
We report a fully self-consistent calculation of the complex renormalization by exchange interactions and hence the complete phase diagram of conventional -wave superconductors…
cond-mat.mtrl-sci2025
Terahertz-induced second-harmonic generation in quantum paraelectrics: hot-phonon effect
F. Yang, X. J. Li, D. Talbayev +1
Recent terahertz-pump second-harmonic-generation(SHG)-probe measurements of quantum paraelectrics observed a significant long-lived non-oscillatory SHG component following an ultra…