Multiscale time-dependent density functional theory for a unified description of ultrafast dynamics: Pulsed light, electron, and lattice motions in crystalline solids

A Yamada, K Yabana - Physical Review B, 2019 - APS
We have developed a multiscale computational scheme to describe coupled nonlinear
dynamics of light electromagnetic field, electrons, and lattice motions in crystalline solids …

Photo‐Induced Tellurium Segregation in MoTe2

T Fukuda, R Kaburauchi, Y Saito… - physica status solidi …, 2022 - Wiley Online Library
Herein, coherent phonon spectroscopy of polymorphic MoTe 2 single crystals using a
femtosecond‐pulsed laser is used to investigate the relationship between structural phase …

Enhanced double resonance Raman scattering in multilayer graphene with broadband coherent anti-Stokes Raman spectroscopy

H Dai, Y Wang, J Zhao, H Liu, Z Liu, D Liu - Nanoscale, 2024 - pubs.rsc.org
Graphene's unique gapless band structure and remarkably large third-order optical
susceptibility have drawn significant attention to its nonlinear optical response, particularly in …

Resonance-enhanced excitation and relaxation dynamics of coherent phonons in Fe 1.14 Te

N Li, C Zhang, W Liang, Y Jiang, XX Zhang… - Physical Chemistry …, 2023 - pubs.rsc.org
Lattice dynamics plays a significant role in manipulating the unique physical properties of
materials. In this work, femtosecond transient optical spectroscopy is used to investigate the …

Enhanced coherent phonon excitation in via resonance Raman effect

J Guo, C Zhang, W Liang, XX Zhang, SN Luo - Physical Review B, 2021 - APS
Coherent phonon excitation via femtosecond laser pulses can be used to control physical
properties of matter, and enhancing coherent phonon excitation is highly relevant. Here, we …

Modulation of the probe signal in coherent phonon detection revisited: Analytical and first-principles computational analyses

A Yamada, K Yabana - Physical Review B, 2020 - APS
Modulation of probe signals in pump-probe measurements of coherent phonons in
dielectrics, with and without spectral resolution, are investigated theoretically taking …

Time-dependent density functional theory for a unified description of ultrafast dynamics: pulsed light, electrons, and atoms in crystalline solids

A Yamada, K Yabana - arXiv preprint arXiv:1810.06168, 2018 - arxiv.org
We have developed a novel multiscale computational scheme to describe coupled
dynamics of light electromagnetic field with electrons and atoms in crystalline solids, where …

[PDF][PDF] Light-induced electronic and structural dynamics in layered transition-metal dichalcogenides

T Fukuda - 2024 - tsukuba.repo.nii.ac.jp
“Plus ultra.”–the national motto of Spain and/or the school motto of Yu-ei high school in a
comic “My Hero Academia” written and illustrated by Kohei Horikoshi. Humans have grown …

Coherent and squeezed phonons in single wall carbon nanotubes

ART Nugraha, EH Hasdeo - Journal of Physics: Conference …, 2019 - iopscience.iop.org
Coherent states of phonon manifest in macroscopic beatings of reflectance or transmittance
following the phonons frequencies when a material is excited with an ultrashort pulse. Such …

Chirality dependent coherent phonon dynamics in carbon nanotube solutions

I Katayama, R Xu, Y Minami, K Yanagi… - CLEO …, 2017 - opg.optica.org
Using probe-wavelength-resolved coherent phonon spectroscopy, we investigated coherent
phonon dynamics in chirality-mixed carbon nanotube solutions. The chirality dependent …