activity
20202026
most citedBand-selective third-harmonic generation in superconducting MgB: Possible evidence for Higgs amplitude mode in the dirty limit

35 citations · 60 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.mtrl-sci2026

Coherent seeding and control of dynamical ferroelectricity by phonon anharmonicity

Junhan Huang, Yongkang Ju, Xinbo Wang +12

Optical control of quantum materials has progressed along two separate directions: creating non-equilibrium states inaccessible at equilibrium, and coherently controlling ultrafast…

cond-mat.supr-con2025

Anomalous terahertz nonlinearity in disordered s-wave superconductor close to the superconductor-insulator transition

Hao Wang, Jiayu Yuan, Hongkai Shi +13

Detection of the Higgs mode in superconductors using nonlinear terahertz spectroscopy is a key area of interest in condensed matter physics. We investigate the influence of disorde…

cond-mat.supr-con2024

Selective excitation of collective modes in multiband superconductor MgB2

Jiayu Yuan, Liyu Shi, Tiequan Xu +7

Recent developments in nonequilibrium and nonlinear terahertz (THz) spectroscopies have significantly advanced our understanding of collective excitations in superconductors. Howev…

cond-mat.mtrl-sci2022★ 6 cited

Strong nonlinear optical response and transient symmetry switching in Type-II Weyl semimetal -WP2

Tianchen Hu, Bo Su, Liyu Shi +13

The topological Weyl semimetals with peculiar band structure exhibit novel nonlinear optical enhancement phenomena even for light at optical wavelengths. While many intriguing nonl…

cond-mat.supr-con2021★ 19 cited

Transient Higgs oscillations and high-order nonlinear light-Higgs coupling in terahertz-wave drivenNbN superconductor

Z. X. Wang, J. R. Xue, H. K. Shi +6

We study the nonlinear optical response in a superconducting NbN thin film with strong terahertz (THz)wave. Besides the expected third harmonic generation, we observe a new transie…

cond-mat.supr-con2020★ 35 cited

Band-selective third-harmonic generation in superconducting MgB: Possible evidence for Higgs amplitude mode in the dirty limit

Sergey Kovalev, Tao Dong, Li-Yu Shi +13

We report on time-resolved linear and nonlinear terahertz spectroscopy of the two-band superconductor MgB with the superconducting transition temperature K. Th…