415 citations · 2.3k across the 47 of their papers we have counts for
48 papers
Floquet engineering the band structure of materials with optimal control theory
Alberto Castro, Umberto de Giovannini, Shusuke A. Sato +2
We demonstrate that the electronic structure of a material can be deformed into Floquet pseudo-bands with arbitrarily tailored shapes. We achieve this goal with a novel combination…
First-principles modelling for time-resolved ARPES under different pump-probe conditions
Umberto De Giovannini, Shunsuke A. Sato, Hannes Hübener +1
First-principles methods for time-resolved angular resolved photoelectron spectroscopy play a pivotal role in providing interpretation and microscopic understanding of the complex…
Tracing out the Berry curvature dipole and multipoles in second harmonic Hall responses of time-reversal symmetric insulators
Mahmut Sait Okyay, Shunsuke Sato, Kunwoo Kim +3
Various nonlinear characteristics of solid states, such as the circular photogalvanic effect of time-reversal symmetric insulators, the quantized photogalvanic effect of Weyl semim…
Two-step Brillouin zone sampling for efficient computation of electron dynamics in solids
Shunsuke A. Sato
We develop a numerical Brillouin-zone integration scheme for real-time propagation of electronic systems with time-dependent density functional theory. This scheme is based on the…
Conditional wavefunction theory: a unified treatment of molecular structure and nonadiabatic dynamics
Guillermo Albareda, Kevin Lively, Shunsuke A. Sato +2
We demonstrate that a conditional wavefunction theory enables a unified and efficient treatment of the equilibrium structure and nonadiabatic dynamics of correlated electron-ion sy…
Soft-magnetic skyrmions induced by surface-state coupling in an intrinsic ferromagnetic topological insulator sandwich structure
Takuya Takashiro, Ryota Akiyama, Ivan A. Kibirev +11
A magnetic skyrmion induced on a ferromagnetic topological insulator (TI) is a real-space manifestation of the chiral spin texture in the momentum space, and can be a carrier for i…
Nonlinear electric conductivity and THz-induced charge transport in graphene
Shunsuke A. Sato, Angel Rubio
Based on the quantum master equation approach, the nonlinear electric conductivity of graphene is investigated under static electric fields for various chemical potential shifts. T…
On the survival of Floquet-Bloch states in the presence of scattering
S. Aeschlimann, S. A. Sato, R. Krause +9
Floquet theory has spawned many exciting possibilities for electronic structure control with light with enormous potential for future applications. The experimental realization in…
The Ferroelectric Photo-Groundstate of SrTiO: Cavity Materials Engineering
Simone Latini, Dongbin Shin, Shunsuke A. Sato +4
Optical cavities confine light on a small region in space which can result in a strong coupling of light with materials inside the cavity. This gives rise to new states where quant…
Simulating Vibronic Spectra without Born-Oppenheimer Surfaces
Kevin Lively, Guillermo Albareda, Shunsuke A. Sato +2
We show how vibronic spectra in molecular systems can be simulated in an efficient and accurate way using first principles approaches without relying on the explicit use of multipl…
The quantum paraelectric phase of SrTiO from first principles
Dongbin Shin, Simone Latini, Christian Schäfer +4
We demonstrate how the quantum paraelectric ground state of SrTiO can be accessed via a microscopic approach based on density functional theory. At low temperature…
First-principles calculations for attosecond electron dynamics in solids
Shunsuke A. Sato
Nonequilibrium electron dynamics in solids is an important subject from both fundamental and technological points of view. The recent development of laser technology has enabled us…
Nonlinear phononics in 2D SnTe: a ferroelectric material with phonon dynamical amplification of electric polarization
Dongbin Shin, Shunsuke A. Sato, Hannes Hübener +3
Ultrafast optical control of ferroelectricity using intense terahertz fields has attracted significant interest. Here we show that the nonlinear interactions between two optical ph…
High-order harmonic generation in graphene: nonlinear coupling of intra and interband transitions
Shunsuke A. Sato, Hideki Hirori, Yasuyuki Sanari +2
We investigate high-order harmonic generation (HHG) in graphene with a quantum master equation approach. The simulations reproduce the observed enhancement in HHG in graphene under…
Unravelling the intertwined atomic and bulk nature of localised excitons by attosecond spectroscopy
Matteo Lucchini, Shunsuke A. Sato, Giacinto D. Lucarelli +9
The electro-optical properties of most semiconductors and insulators of technological interest are dominated by the presence of electron-hole quasiparticles called excitons. The ma…
Room Temperature Terahertz Electroabsorption Modulation by Excitons in Monolayer Transition Metal Dichalcogenides
Jiaojian Shi, Edoardo Baldini, Simone Latini +8
The interaction between off-resonant laser pulses and excitons in monolayer transition metal dichalcogenides is attracting increasing interest as a route for the valley-selective c…
Measurement of inclusive charged-particle jet production in Au+Au collisions at =200 GeV
STAR Collaboration, J. Adam, L. Adamczyk +352
The STAR Collaboration at the Relativistic Heavy Ion Collider reports the first measurement of inclusive jet production in peripheral and central Au+Au collisions at $\sqrt{s_{NN}}…
Direct measurement of electron-phonon coupling with time-resolved ARPES
Umberto De Giovannini, Hannes Hübener, Shunsuke A. Sato +1
Time and angular resolved photoelectron spectroscopy is a powerful technique to measure electron dynamics in solids. Recent advances in this technique have facilitated band and ene…
Role of electron scattering on the high-order harmonic generation from solids
Chang-Ming Wang, Nicolas Tancogne-Dejean, Massimo Altarelli +2
We extend the semi-classical trajectory description for the high-order harmonic generation~(HHG) from solids by integrating the effect of electron-scattering. Comparing the extende…
Octopus, a computational framework for exploring light-driven phenomena and quantum dynamics in extended and finite systems
Nicolas Tancogne-Dejean, Micael J. T. Oliveira, Xavier Andrade +31
Over the last years extraordinary advances in experimental and theoretical tools have allowed us to monitor and control matter at short time and atomic scales with a high-degree of…
Photovoltaic Effect from the Viewpoint of Time-reversal Symmetry
Shunsuke A. Sato
We theoretically investigate field-induced charge-transport processes from the viewpoint of time-reversal symmetry. We analytically demonstrate that breaking of the time-reversal s…
Exact exchange-correlation potential of effectively interacting Kohn-Sham systems
Shunsuke A. Sato, Angel Rubio
Aiming to combine density functional theory (DFT) and wavefunction theory, we study a mapping from the many-body interacting system to an effectively-interacting Kohn-Sham system i…
Nonlinear polarization evolution using time-dependent density functional theory
Mitsuharu Uemoto, Yuki Kuwabara, Shunsuke A. Sato +1
We propose a theoretical and computational approach to investigate temporal behavior of a nonlinear polarization in perturbative regime induced by an intense and ultrashort pulsed…
Unraveling materials Berry curvature and Chern-Simons numbers from real-time evolution of Bloch states
Dongbin Shin, Shunsuke A. Sato, Hannes Hübener +4
Materials can be classified by the topological character of their electronic structure and, in this perspective, global attributes immune to local deformations have been discussed…