Self-trapped excitons (STEs) have attracted tremendous attention due to their intriguing
properties and potential optoelectronic applications. STEs are formed from the lattice …

Studies of the electromagnetic response of various classes of correlated electron materials
including transition-metal oxides, organic and molecular conductors, intermetallic …

We directly trace the multi-THz conductivity of VO 2 during an insulator-metal transition
triggered by a 12-fs light pulse. The femtosecond dynamics of lattice and electronic degrees …

Rapid advances in chemical synthesis and fabrication techniques have led to a boost in
manufacturing and design of novel nanostructured materials that exhibit unique and often …

The ultrafast photoinduced insulator-metal transition in VO 2 is studied at different
temperatures and excitation fluences using multi-THz probe pulses. The spectrally resolved …

We present a comparative study of ultrafast photoconversion dynamics in tetracene (Tc) and
pentacene (Pc) single crystals and Pc films using optical pump-probe spectroscopy …

Long regarded as a model system for studying insulator-to-metal phase transitions, the
correlated electron material vanadium dioxide (VO2) is now finding novel uses in device …

We directly trace the near-and midinfrared transmission change of a VO 2 thin film during an
ultrafast insulator-to-metal transition triggered by high-field multiterahertz transients …

Femtosecond infrared pump-probe spectroscopy of the NH mode of a stable α-helix reveals
two excited-state absorption bands, which disappear upon unfolding of the helix. A …

By employing the Dirac–Frenkel time-dependent variational principle, we study the
dynamical properties of the Holstein molecular crystal model with diagonal and off-diagonal …