The dynamics of charged particles in electromagnetic fields is an essential component of
understanding the most extreme environments in our Universe. In electromagnetic fields of …

Vortex states of photons, electrons, and other particles are non-plane-wave solutions of the
corresponding wave equation with helicoidal wave fronts. These states possess an intrinsic …

Traditional photonuclear reactions primarily excite giant dipole resonances, making the
measurement of isovector giant resonances with higher multipolarities a great challenge. In …

Recent developments in laser-wakefield accelerators have led to compact ultrashort X/γ-ray
sources that can deliver peak brilliance comparable with conventional synchrotron sources …

Generation of energetic electron-positron pairs using multi-petawatt (PW) lasers has recently
attracted increasing interest. However, some previous laser-driven positron beams have …

One of the remarkable phenomena in the laser-matter interaction is the extremely efficient
energy transfer to γ-photons, that appears as a collimated γ-ray beam. For interactions of …

We put forward a novel method for generating ultrarelativistic vortex positrons and electrons
with intrinsic orbital angular momenta (OAM) through nonlinear Breit-Wheeler (NBW) …

Ultrashort intense optical pulses in the mid-infrared (mid-IR) region are very important for
broad applications ranging from super-resolution spectroscopy to attosecond X-ray pulse …

Accelerating particles to high energies in plasma wakefields is considered to be a promising
technique with good energy efficiency and high gradient. While important progress has been …

The progressive development of high power lasers over the last several decades enables
the study of γ-photon generation when an intense laser beam interacts with matter, mainly …