6 papers
A Route to Nonrelativistic Altermagnetic Spin Splitting via Ultrafast Light
Huang-Zhao-Xiang Chen, Lin-Ding Yuan, Wen-Hao Liu +3
We identify a nonequilibrium route for generating altermagnetic spin splitting in antiferromagnet by ultrafast light. Unlike existing strategies, this route does not require relati…
Enhancing Cutoff Energy of Solid High-Harmonic Generation from Bonding Length Perspective
Qing-Guo Fan, Kang Lai, Wen-hao Liu +3
High-harmonic generation (HHG) from solid state offers promising potential for attosecond optics with enhanced efficiency and compact configurations. However, Current implementatio…
Occupation-Driven emission asynchronous as a Fundamental Constraint on Solid-State Attosecond Pulses
Qing-Guo Fan, Kang Lai, Wen-hao Liu +3
A newly analytic occupation-resolved theory capturing the temporal structure of attosecond pulses (APs) is derived. We validate it with real-time time-dependent density functional…
Origin of Suppressed Ferroelectricity in k-GaO: Interplay Between Polarization and Lattice Domain Walls
Yonghao Zhu, Zhi Wang, Junwei Luo +1
The large discrepancy between experimental and theoretical remanent polarization and coercive field limits the applications of wide-band-gap ferroelectric materials. Here, using a…
Revealing Material-Dependent Bicircular High-Order Harmonic Generation in 2D Semiconductors via Real-Space Trajectories
Qing-Guo Fan, Kang Lai, Wen-hao Liu +3
Solid-state high-order harmonic generation (HHG) presents unique features different from gases.Whereas the gaseous harmonics driven by counter-rotating bicircular (CRB) pulse unive…
Ultrafast dynamics of atomic correlated disordering in photoinduced VO
Wen-Hao Liu, Feng-Wu Guo, Lin-Wang Wang +1
Recent experiments suggest that atomic disordering dynamics are more universal than conventional coherent processes in photoinduced phase transitions (PIPTs), yet its mechanism rem…