289 citations · 471 across the 10 of their papers we have counts for
10 papers
Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer LaNiO
Qi-Yi Wu, De-Yuan Hu, Chen Zhang +14
We report a polarized ultrafast pump-probe study of the normal-state electronic dynamics in bilayer LaNiO and trilayer LaNiO single crystals at ambient p…
Nonthermal melting and density wave instability coupled to the lattice in LaNiO
Chen Zhang, Lixing Chen, Qi-Yi Wu +15
The recent discovery of high-temperature superconductivity in pressurized nickelates has renewed interest in the broken-symmetry states of their ambient-pressure parent phases, whe…
The Hidden Nematic Fluctuations in the Triclinic (Ca0.85La0.15)10(Pt3As8)(Fe2As2)5 Superconductor Revealed by Ultrafast Optical Spectroscopy
Qi-Yi Wu, Chen Zhang, Ze-Zhong Li +13
We reported the quasiparticle relaxation dynamics of an optimally doped triclinic iron-based superconductor (CaLa)(PtAs)(FeAs) with bul…
Dirac semimetal PdTe2 temperature-dependent quasiparticle dynamics and electron-phonon coupling
Shu-Yu Liu, Shuang-Xing Zhu, Qi-Yi Wu +15
Dirac semimetal PdTe2 single-crystal temperature-dependent ultrafast carrier and phonon dynamics were studied using ultrafast optical pump-probe spectroscopy. Two distinct carrier…
Temperature evolution of quasiparticle dispersion dynamics in semimetallic 1T-TiTe2 via high-resolution angle-resolved photoemission spectroscopy and ultrafast optical pump-probe spectroscopy
Shuang-Xing Zhu, Chen Zhang, Qi-Yi Wu +18
High-resolution angle-resolved photoemission spectroscopy and ultrafast optical pump-probe spectroscopy were used to study semimetallic 1T - TiTe2 quasiparticle dispersion and dyna…
Mechanism for femtosecond laser-induced periodic subwavelength structures on solid surface: surface two-plasmon resonance
Hai-Ying Song, Shi-Bing Liu, H. Y. Liu +3
We present that surface two-plasmon resonance (STPR) in electron plasma sheet produced by femtosecond laser irradiating metal surface is the self-formation mechanism of periodic su…
THz-Frequency Modulation of the Hubbard U in an Organic Mott Insulator
R. Singla, G. Cotugno, S. Kaiser +10
We use midinfrared pulses with stable carrier-envelope phase offset to drive molecular vibrations in the charge transfer salt ET-F2TCNQ, a prototypical one-dimensional Mott insulat…
Possible observation of parametrically amplified coherent phasons in K0.3MoO3 using time-resolved extreme-ultraviolet ARPES
H. Y. Liu, I. Gierz, J. C. Petersen +13
We use time- and angle-resolved photoemission spectroscopy (tr-ARPES) in the Extreme Ultraviolet (EUV) to measure the time- and momentum-dependent electronic structure of photo-exc…
Optically induced coherent transport far above Tc in underdoped YBa2Cu3O6+x
S. Kaiser, C. R. Hunt, D. Nicoletti +8
We report on a photo-induced transient state of YBa2Cu2O6+x in which transport perpendicular to the Cu-O planes becomes highly coherent. This effect is achieved by excitation with…
Voltage controlled nuclear polarization switching in a single InGaAs quantum dot
M. N. Makhonin, J. Skiba-Szymanska, M. S. Skolnick +3
Sharp threshold-like transitions between two stable nuclear spin polarizations are observed in optically pumped individual InGaAs self-assembled quantum dots embedded in a Schottky…