Ultrafast Electronic Dynamics in Solids
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics General".
Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 2929
Special Issue Editor
Interests: theoretical modeling of complex interaction between out-of-equilibrium transport; thermalization and generation/absorption of electromagnetic fields; ultrafast magnetization dynamics and transport; THz radiation; ultrafast plasmonics
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Special Issue Information
Dear Colleagues:
The development and perfecting of a number of ultrafast time-resolved probing techniques (optical pump-probe, time resolved magneto-optics, time-resolved ARPES, ultrafast imaging, ultrafast THz spectroscopy, etc.) have allowed unprecedented insight into out of equilibrium electronic distributions. Dynamics, that in the past could only be inferred from low time-resolution measurements, can now be probed directly. On the theoretical side, this has led to the development of a number of approaches that directly attempt at tackling the complexity inherent to out-of-equilibrium systems. Different strategies, with varying degrees of approximations and capabilities (TD-DFT, out-of-equilibrium DMFT, Keldysh formalism, time dependent Schrodinger equation, Boltzmann equation, etc.), have been adopted to address the often extremely numerically challenging descriptions of these systems, especially when spatial heterogeneity, transport and interaction with electromagnetic fields play important roles.
The ability to directly study electron thermalization dynamics not only allows for the extreme optimization of not intrinsically ultrafast devices (as for instance solar cells), but have led to the demonstration of processes that do exist only while the electronic system remains out of equilibrium (for instance, ultrafast demagnetization and ultrafast spin transport).
The present Special Issue is devised as a collection of articles reporting both concise reviews of recently obtained results, and new findings produced in the broad research area of ultrafast electron dynamics in solids. The topics are not limited to purely electronic excitations, but include processes triggered or controlled by the presence of non-thermal electron distributions; for instance, non-equilibrium transport, THz radiation generation, and non-equilibrium plasmon control.
Dr. Marco BattiatoGuest Editor
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Keywords
- Ultrafast Electronic Dynamics
- Non-equilibrium dynamics
- femtosecond dynamics
- picosecond dynamics
- THz dynamics
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