3 papers
cond-mat.mtrl-sci2021
Exact solutions, spectrum properties, and hierarchical structures of the multiple temperature model
Hiroki Katow, Kenichi L. Ishikawa
Recent developments of ultrafast laser pulse techniques enable us to study the subpicosecond scale dynamics out of thermal equilibrium. Multiple temperature models are frequently u…
cond-mat.mes-hall2020
First Principles Study of the Optical Dipole Trap for Two-Dimensional Excitons in Graphane
Hiroki Katow, Ryosuke Akashi, Yoshiyuki Miyamoto +1
Recent studies on excitons in two-dimensional materials have been widely conducted for their potential usages for novel electronic and optical devices. Especially, sophisticated ma…
cond-mat.mes-hall2019
{\it Ab initio} approach to the lattice softening of an Al slab driven by collective electronic excitations after ultrashort laser pulse irradiation
Hiroki Katow, Yoshiyuki Miyamoto
Recent advances in ultrashort laser pulse techniques have opened up a wide variety of applications in both fundamental physics and industrial fields. In this work, mo…